Rolex Cosmograph Daytona 116518

Daytona -> 116518

The 116518 is the yellow gold, leather-strap Daytona of the in-house cal 4130 generation, the strap-and-deployant counterpart to the bracelet-mounted 116528 and the successor to the Zenith-era 16518. Produced from 2000 to roughly 2015, it shares the 40mm 18k yellow gold case, engraved gold tachymetre bezel and caliber 4130 movement that run through the rest of the in-house first-generation Daytona line. What separates it is the configuration: a gold case on alligator with a yellow gold deployant clasp, no factory Oyster bracelet, and one of the broadest dial catalogues in the cal 4130 family.

The 116518 is also the reference most often confused with its post-2017 successor. Rolex retired the engraved-gold-bezel leather-strap Daytona around 2015 and replaced it in 2017 with the 116518LN, same case metal but with a Cerachrom ceramic bezel and a black Oysterflex elastomer-and-titanium strap in place of leather. The two share five characters of reference number, the case metal and the cal 4130; everything a buyer actually looks at is different. This article covers the engraved-gold-bezel leather-strap reference only.

Core facts

detail	value
reference	116518
family	Daytona (Cosmograph, automatic)
production	2000 to c. 2015
case	40mm, 18k yellow gold
crystal	sapphire (flat)
bezel	engraved 18k yellow gold tachymetre
crown	Triplock, screw-down, gold
water resistance	100m / 330ft
movement	Rolex cal 4130 (first in-house chronograph)
frequency	28,800 vph
jewels	44
power reserve	72 hours
chronometer	COSC certified
strap	alligator leather (factory original); 18k yellow gold deployant buckle
siblings	116520 (steel), 116523 (Rolesor), 116528 (yellow gold bracelet), 116519 (white gold leather)
predecessor	16518 (Zenith cal 4030, 1988–2000)
successor	116518LN (Cerachrom + Oysterflex, 2017)

Where it sits in the line

The 116518 occupies the leather-strap full-gold slot in the cal 4130 launch lineup. Rolex announced five configurations at Baselworld 2000, split by case material and by bracelet-or-strap: the steel 116520 on Oyster, the Rolesor 116523 on Oyster, the yellow gold 116528 on Oyster, the yellow gold 116518 on leather, and the white gold 116519 on leather. The 116518 is the gold-case watch sold on alligator from the factory, with no standard Oyster bracelet option.

The predecessor is the 16518, the Zenith-based cal 4030 yellow gold Daytona on leather that ran from 1988 to 2000. The 2000 transition brought the in-house movement, the 72-hour power reserve and a modernised dial-printing programme, while the case profile, the gold engraved bezel and the leather-strap-with-deployant configuration carried over untouched. The catalogue successor is the 116518LN, which arrived in 2017 with a Cerachrom monobloc black ceramic bezel and an Oysterflex strap. That leaves the 116518 as the last engraved-gold-bezel yellow gold Daytona Rolex delivered on leather.

Production outline

The 116518 ran for roughly fifteen years across the same case-serial chronology as the rest of the cal 4130 family. Pre-2010 production used the Rolex letter-prefix system shared across the catalogue; from mid-2010 onward case serials switched to the random eight-character alphanumeric format that has no public year mapping. See Reference:Serial-numbers for the full key.

There is no separate 116518 generation timeline. The reference tracks the 116528 production chronology in parallel, with the same lume transitions — Luminova at launch, Super-Luminova within the first few years, Chromalight on later production — and the same cal 4130 stability across the run. End of production lands around 2015 in the published literature, closing out the engraved-gold-bezel leather configuration two years before the 116518LN announcement.

The 116518 does not carry the APH-error dial found on part of 116520 black and white dial production around 2009 to 2010. Phillips's Logan Baker frames the APH misprint as specific to the steel reference's dial-printing batch, and the 116518 catalogue does not record it.

Movement notes

Cal 4130 sits inside every 116518, the same movement that powers the 116520, 116523, 116519 and 116528. It runs at 28,800 vph on 44 jewels with a 72-hour reserve and COSC certification, switches through a column wheel, couples the chronograph with a vertical clutch, and carries a blue Parachrom hairspring on later production. Hour and minute counters share a single side of the movement, and the mainspring can be replaced without uncasing.

Cal 4130 is Rolex's first wholly in-house chronograph movement. Thirty-seven years of bought-in chronograph bases — the Valjoux 72 family from 1963, the Zenith El Primero base from 1988 — ended when the 4130 launched in 2000 across the five-configuration Daytona family. The 116518 is the leather-strap entry into that transition.

The longer reserve is the least of the practical difference. The vertical clutch starts the chronograph seconds hand cleanly, without the jump associated with lateral-clutch chronographs, and by most accounts the 4130-generation Daytona holds a tight daily rate even under frequent chronograph use. Dial layout, register positions and chronograph feel all belong to the 4130 architecture; a 116518 is a different watch from a gold 16518 with a new reference number.

For the full caliber lineage and the 4030-to-4130 architecture comparison, see Reference:Movements#cal-4130.

Dial map

The 116518 dial catalogue runs broader than the steel 116520's, with the gold case carrying decorative finishes the steel reference never offered.

Dial	Period	Distinguishing features
Champagne with gold markers	2000–2015	Most common 116518 layout; gold-tone sub-dial rings; applied gold five-minute markers
Black with red Daytona script	2000–2015	Black base with red "Daytona" above the 6 o'clock sub-register; applied gold markers
White "Panda" with gold markers	2000–2015	White base, three sub-dials in contrasting tone, applied gold markers
Mother-of-pearl, white	mid-to-late production	White iridescent MOP base with applied gold or Roman markers
Mother-of-pearl, black	mid-to-late production	Dark iridescent MOP base with applied gold or Roman markers
Mother-of-pearl, Tahitian	mid-to-late production	Dark Tahitian MOP base with diamond hour markers on most documented examples
MOP with diamond markers	mid-to-late production	White, black, or Tahitian MOP base with applied factory diamond hour markers
Champagne with diamond markers	mid-to-late production	Champagne base with applied factory diamond hour markers; sub-registers gold-tone
Black with diamond markers	mid-to-late production	Black base with applied factory diamond hour markers
Roman numeral indices	sub-variant	Applied gold Roman numerals at hour positions; available on MOP and standard layouts
Pavé and pavé-with-coloured-stones	late production	Factory pavé with ruby or sapphire accents — case-by-case authentication required

Karyn Orrico's "Vintage Rolex Daytona: The Gold Standard" (Sotheby's, 2024) catalogues white Panda and diamond-set hour-marker examples on the cal 4030 16518, and the same dial families carry forward to the 116518 with the in-house movement underneath. MOP-with-Roman-numeral 116518s turn up consistently enough across the production run in forum and auction documentation to read as a regular catalogue option. Gem-set layouts are the murkier end. The late cal 4130 era saw both factory and aftermarket setting on yellow gold Daytonas, and the line between them is not always documented.

Case, bezel, crystal, and crown

The 116518 case is 40mm in 18k yellow gold, the same nominal dimension as the steel 116520. Lugs and case flanks carry the cal 4130 family profile, with crown guards integrated into the case and the 700-series Triplock screw-down crown at 3 o'clock. Water resistance is 100m / 330ft, identical to the steel reference. Case thickness on documented examples runs to roughly 12.4mm, marginally thicker than the steel 116520's measured profile, which is put down to the gold-forging tolerances Rolex used through the cal 4130 run.

The bezel is engraved 18k yellow gold with the tachymetre scale, and it stays that way through the full production. Cerachrom did not reach the yellow gold leather Daytona until the 116518LN in 2017. The bezel font matches the wider cal 4130 family, with the tachymetre numerals running from 60 to 400 around the ring.

The crystal is flat sapphire with no Cyclops, and the running-seconds sub-dial sits at 6 o'clock. The Triplock crown handles the 100m water rating. Screw-down chronograph pushers flank the crown and have to be unscrewed before the chronograph will start, the trade-off the whole cal 4130 generation makes for its water resistance; pusher-screw feel and travel match the steel 116520. Finishing is mixed — polished bezel and case flanks against brushed lug tops — and refinishing on heavily polished examples is a routine secondary-market problem that suppresses prices on otherwise good watches.

Bracelets, end links, and clasps

The 116518 is a leather-strap reference. Every documented original-equipment example shipped on alligator leather with an 18k yellow gold deployant buckle. No factory Oyster bracelet was offered for the 116518 — that configuration is the 116528. Aftermarket gold Oyster fitments do appear on individual 116518 cases at the dealer tier, generally pulled from a 116528 or a Day-Date 18238 and refitted to the 20mm 116518 lug spacing. These reconfigurations are not original delivery and trade as such on the secondary market.

The preceding 16518 used fixed gold end pieces between case and strap, a precious-metal Daytona detail the steel references never carried. The 116518 inherits the same originality burden. A correct watch head can sit on a replaced strap, end-link or deployant, so each component has to be verified on its own.

The deployant buckle is 18k yellow gold throughout the run, in the standard Rolex deployant geometry of the period. Strap material was always alligator from Rolex, with black, brown and burgundy as standard colours and other tones available through the catalogue. Straps wear out. Owners typically replaced them several times across a watch's life, so a 116518 surviving with its Rolex-stamped strap and untampered original deployant is the period-correct configuration; a later aftermarket strap on the original deployant is the more common surviving form, and a fully refurbished strap-and-deployant set with no original Rolex components is normal at the dealer tier.

Third-party rubber strap sets are common on owned-and-worn 116518s and affect nothing on the watch head, only the wearable kit. Some auction lots note the rubber alongside the original Rolex deployant; others present only the rubber.

For the wider Daytona bracelet and clasp reference chronology, see Reference:Bracelets. The 116518's leather-and-deployant configuration is documented inside David Boettcher's broader Daytona bracelet reference at vintagewatchstraps.com.

Special branches

Tiffany & Co. and other double-signed dials

Double-signed dials are a weakly documented area for the 116518. The better-published Tiffany Daytona material sits with earlier references, especially manual-wind and Zenith-era watches, so any six-digit 116518 double signature needs original-sale documentation or major-house cataloguing before it can be taken seriously. The signature sits on the dial below the 6 o'clock Cosmograph block, on the standard champagne or black layouts. Cartier-signed and Vacheron-signed examples on the cal 4130 yellow gold Daytonas are thinner on the ground than in the Zenith-era 16518 catalogue; by the 2000s the double-signed Rolex phenomenon had narrowed considerably as retailer dial programmes ended at most of the historical partners. No 116518-specific double-signed lot anchors a record comparable to Phillips's Van Cleef & Arpels "Le Roi Soleil" 16518 (Daytona Ultimatum, Geneva, 12 May 2018, Lot 18).

Beach dial sub-branches

The pastel mother-of-pearl "beach dial" family that runs on the cal 4030 16518 — pink MOP, salmon MOP, pale blue MOP — carries forward into early 116518 production according to some dealer and auction catalogue copy, though the cal 4130 layouts read as a narrower set than the Zenith-era variants. Per-dial volume on the 116518 beach-dial branch is not documented in the major-house literature, so individual examples have to be authenticated against period documentation.

Diamond, pavé, and gem-set layouts

Diamond hour markers are the most widespread decorative layer on the 116518. Orrico's Sotheby's piece catalogues diamond-set hour-marker yellow gold Daytonas across both the cal 4030 and cal 4130 references, and the configuration runs as a regular cataloguing option on champagne, black and MOP base dials. Pavé and pavé-with-coloured-stones layouts (ruby, sapphire) sit on top of that base, mostly on later production where the gem-set programme was running at higher volume. Which exact pavé layouts shipped from Rolex and which were set afterwards is unevenly documented, so treat any pavé 116518 outside Sotheby's, Phillips or Christie's lot documentation as needing case-by-case authentication.

Auction record

The 116518 has produced no headline lot in the way the 16518 produced Phillips's "Le Roi Soleil" Van Cleef & Arpels signed watch in 2018. Auction interest in the cal 4130 generation has concentrated on the steel 116520 and on the rarer dial variants of the gold cases; the Patrizzi dials that drive Zenith-era bidding belong to the prior generation. Standard champagne 116518s have anchored the floor of the cal 4130 yellow gold leather market through the 2010s and into the 2020s, with diamond-marker, MOP and Tahitian MOP variants pulling the premium end. Public auction records on standard examples are thinner than on the steel 116520, because the gold leather configuration trades more often in the dealer market than at the major houses.

The 116518LN arrived in 2017 and accelerated hard through the late 2010s, catching the same allocation-economy dynamics as the steel 116500LN, and it dragged the discontinued 116518 along behind it. Used prices on the engraved-bezel reference firmed in the years after discontinuation, with full sets — matching box, papers and original Rolex strap — commanding a clear premium over partial sets. The 116518 trades on material and configuration rather than headline provenance, and the rarer dials (MOP, sodalite where documented, factory diamond markers, factory pavé with confirmed provenance) carry the auction-grade band.

Related references

Daytona 116520 — Steel, Cal 4130 (2000–2016)
Daytona 116528 — 2000–2016
Daytona 116505 — Everose Gold (2008–2023)
Daytona 116500LN — Ceramic Bezel (2016–2023)
Daytona 116508 — Yellow Gold, Cal 4130 (2016–2023)
Daytona 16519 — White Gold Zenith (1989–2000)