Reference:5508
Submariner → 5508
The 5508 is the last mainstream small-crown Submariner without crown guards. It closes the earliest case chapter just before the 5512 locks crown guards into the line for good. Everything after the 5508 on the small-crown side carries guards.
Core facts
| detail | value |
|---|---|
| reference | 5508 |
| family | Submariner (no date) |
| production | approximately 1957 to 1961 |
| movement | caliber 1530 |
| case | 37mm, transitioning to 38mm in later production |
| crown | small, no crown guards |
| crystal | acrylic |
| water resistance | 100m |
| lume | radium, transitioning to tritium in late examples |
Where it sits in the line
The 5508 sits at the clean endpoint of the early no-crown-guard small-crown branch. It runs alongside the big-crown 6538 and the transitional 5510, and it is the last small-crown Submariner before the 5512 introduces crown guards and the 40mm case that becomes the standard for the entire line.
From the 6204 and 6205 the 5508 inherits the small-crown identity but upgrades the movement to caliber 1530 from the earlier bumper automatics. A subtle case-size increase from 37mm early in the run to 38mm later foreshadows the 40mm jump that comes with the 5512.
Production outline
Production runs from approximately 1957 to 1961, a mid-length run by early Submariner standards. The 5508 belongs entirely to the glossy gilt dial era — glossy black lacquer with gilt-colored printing, markers, and chapter ring — and keeps the no-crown-guard case throughout. It is the last small-crown Submariner to use the slim no-crown-guard case, and the last to carry the 100m depth rating before the higher specifications of the crown-guard era.
Movement notes
The 5508 uses caliber 1530, a full-rotor automatic that is a clean upgrade over the bumper A260 found in the 6204 and 6205, and the same caliber that appears in early 5512 and 5513 production. Caliber 1530 shares the same diameter as the earlier 1030 but was reduced to 5.75mm in height, a dimensional refinement that preserved case compatibility while producing a slimmer movement. That detail is documented across Rolex Forum movement research rather than in factory literature.
Dial map
Glossy gilt
The 5508 sits squarely in the glossy gilt world. All production-era dials are glossy black lacquer with gilt-colored printing, markers, and chapter ring. The layout is the established Submariner format with Mercedes hands — the three-pointed hour hand whose top point carries a circular lume plot — depth rating, and Submariner text. Some 5508 dials carry a Singer manufacturer marking on the reverse, documented by Rolex Forum collectors. Singer was one of the principal Swiss dial manufacturers supplying Rolex during this period. The marking is only visible with the dial removed and is a useful provenance indicator when examining loose dials.
Four-line gilt variant
Rolex Forum documentation notes a four-line gilt dial variant on the 5508. That is unexpected, because the 5508 is a non-chronometer reference and four-line dials carry the COSC chronometer certification text that should not appear on a non-chronometer watch. The four-line 5508 gilt dial is treated as a rare sub-variant in collector circles rather than a production standard.
Tropical
Tropical examples — where the black lacquer has aged to brown or chocolate tones — are known and actively sought by collectors. An archived 1959 example with serial 489,xxx is a strong tropical anchor.
Exclamation dot
Late 5508 examples from around 1962 can carry an exclamation dot, a small lume dot placed under the six-o'clock marker. The dot sits in the late-radium transition story, when Rolex was moving from radium to tritium luminous material. A 1962 exclamation-dot example with its original presentation box is documented.
Service dials
Service replacement dials appear on surviving 5508 examples and need to be distinguished from original production dials. A documented 1958 example shows a service dial, later insert, repaired rivet bracelet, and later Jubilee clasp on one watch, useful because it shows how a compromised but honest survivor can look.
Case, bezel, crystal, and crown
The 5508 is a no-crown-guard, small-crown case. Starting at 37mm and growing to 38mm in later production, it keeps the early rotating dive bezel and acrylic crystal throughout. The 100m depth rating reflects the small-crown specification that runs through the entire small-crown lineage from the 6204 forward.
Absence of crown guards is the key visual identifier. Compared with the 5512 that follows, the 5508 has a cleaner, slimmer profile around the crown position.
Bracelets, end links, clasps, and packaging notes
Known bracelet fitments are the 7206/58 rivet bracelet and the 6636/58 stretch rivet bracelet. One documented example carries a rivet bracelet with 80 end links. Another shows a rivet stretch bracelet with 64 end pieces and a clasp dated 3/60. A third adds a period-correct rivet bracelet and an original presentation box on a 1962 example. That is enough to ground the fitment and presentation story, even if it does not settle original delivery for every variant.
Special branches
The 5508 is itself the special branch when read against the later 5xxx family. It is the last watch in the no-crown-guard world, and that transitional identity is its whole point.
Exclamation dot late examples
The late exclamation-dot examples from 1962 form a distinct sub-branch that bridges the 5508 into the radium-to-tritium transition era.
Historical market and auction record
One archived example is a sold tropical 1959 watch with serial 489,xxx, caliber 1530, faded original bezel, and rivet bracelet with 64 end pieces. A documented 1958 5508 carries a service dial, later insert, repaired rivet bracelet, and later Jubilee clasp; useful because it shows how compromised but honest survivors can look. A 1962 exclamation-dot example with presentation box rounds out the documented set.
The 5508 holds a specific market position. It is less famous than the 6538 and less structurally important than the 5512, but it is the cleanest expression of the small-crown no-crown-guard Submariner in its most mature form. Collectors who value the slim early case shape over the later crown-guard profile pay close attention to this reference.
Sources
- RolexHaven.com variant pages: 5508 Red Triangle / 5508 Silver Depth / 5508 Tropical / 5508 SCOC / and more
- History of the Rolex Submariner - Part 2, The 55XX References and 1680 Date — Tom Mulraney, Monochrome
- Vintage Rolex Submariner Reference 5508 — Bob's Watches editorial staff, Bob's Watches
- Inside Mike Wood's 'For Exhibition Only': A Private Rolex Collection On Limited Display — Tim Vaux, Hodinkee
- Rolex Submariner Ref 5508 Small Crown Tropical Dial Circa 1959 — unknown, Wanna Buy A Watch?
- Rolex Submariner 5508 Service Dial — unknown, Loupe This
- Rolex Submariner Ref.5508 1962 Exclamation Dot Dial — Vintage Gold Watches, Vintage Gold Watches
- The Vintage Rolex Field Manual — Morning Tundra