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Reference:Movements

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Rolex movements

The table below catalogues every Rolex caliber that powered a pre-2020 Daytona, Submariner, GMT-Master, Explorer, or Oyster Perpetual reference, with spec, production span, and reference fitments. Four lineages run through it. The manual-wind chronograph line ran from the Valjoux-72-derived cal 72 through cal 727 into 1988. The automatic chronograph started with the Zenith-derived cal 4030 and finished with the in-house cal 4130 in 2000. The sport time-only family travelled from the bumper-style A-series through the 1030 / 1530 platform and into the 30xx / 31xx series. The Oysterquartz sits outside that mechanical line entirely from 1977. Lume material is per-dial and per-era rather than per-caliber and is not tracked here; the per-reference dial map covers it.

Caliber index

Caliber Type Base Years Jewels Frequency (vph) Power reserve (h) Hack Quickset GMT hand Chronometer Families Notes
72 chronograph Valjoux 72 1960–65 17 18,000 48 no – – no Daytona Bare Valjoux 72 in 6234 / early 6238
72A chronograph Valjoux 72 early-to-mid 1960s 17 18,000 48 no – – no Daytona Rolex-finished intermediate; thin documentation
72B chronograph Valjoux 72 1962–65 17 18,000 48 no – – no Daytona Final pre-722 Valjoux 72 in early 6238
722 chronograph Valjoux 72 1963–69 17 18,000 48 no – – no Daytona First Rolex-stamped Valjoux 72; 6239 / 6241
722-1 chronograph Valjoux 72 1969–70 17 18,000 48 no – – no Daytona Transitional 722 revision into the 727 era
727 chronograph Valjoux 72 1970–88 17 21,600 48 no – – no Daytona Higher-beat Valjoux 72; 6262 / 6263 / 6264 / 6265
4030 chronograph Zenith El Primero 400 1988–2000 31 28,800 54 no – – yes Daytona Modified El Primero in the Zenith Daytona; modification list disputed
4130 chronograph in-house 2000–present 44 28,800 72 no – – yes Daytona First in-house Rolex chronograph; vertical clutch
A260 automatic in-house 1953–55 17 18,000 36 no no – no Submariner, Oyster Perpetual First-generation Sub 6204 / 6205
A296 automatic in-house 1953–56 17 18,000 36 no no – no/yes Submariner, Explorer, Oyster Perpetual Big Crown 6200; Explorer 6098 / 6150 (non-COSC) / 6350 (COSC)
1030 automatic in-house 1955–62 25 18,000 42 no no – yes Submariner, Explorer, Oyster Perpetual Mid-1950s Sub 6536 / 6536-1 / 6538; Explorer 6610
1036 automatic in-house 1954–59 25 18,000 42 no no synchronized yes GMT-Master First GMT caliber; bakelite-bezel 6542
1065 automatic in-house 1956–59 25 18,000 42 no no synchronized yes GMT-Master Late-6542 GMT caliber
1530 automatic in-house 1957–65 26 18,000 42 no no – yes Submariner, Oyster Perpetual Foundation of the 15xx family; early 5512 / 5513
1520 automatic in-house 1965–90 26 18,000 42 no no – no Submariner Non-chronometer twin to 1570; late 5513 / 5514 / 5517
1560 automatic in-house 1959–65 26 18,000 42 no no – yes Submariner, GMT-Master, Explorer Cross-family chronometer; mid 5512 / 1675 / 1016
1565 automatic in-house 1959–65 25 18,000 42 no no synchronized yes GMT-Master Early 1675; "caller" GMT
1570 automatic in-house 1965–80 26 19,800 44 late only no – yes Submariner, Explorer Higher-beat 1560; hack added mid-life
1575 automatic in-house 1965–80 25 19,800 50 no no synchronized yes Submariner, GMT-Master, Explorer 1680 / late 1675 / Explorer II 1655
3000 automatic in-house 1989–99 27 28,800 48 yes no – yes Submariner, Explorer, Oyster Perpetual First 28,800 vph time-only; 14060 / 14270
3035 automatic in-house 1977–88 27 28,800 48 yes yes – yes Submariner First quickset Sub; 16800 / 168000 / 16808 / 16803
3075 automatic in-house 1979–88 27 28,800 48 yes yes synchronized yes GMT-Master 16750 / 16753 / 16758
3085 automatic in-house 1983–88 27 28,800 48 yes yes independent yes GMT-Master, Explorer First independent 24-hand; 16760 "Fat Lady" / 16550 Exp II
3130 automatic in-house 1999–2018 31 28,800 48 yes – – yes Submariner, Explorer, Oyster Perpetual Time-only successor to 3000; 14060M / 114060 / 114270
3132 automatic in-house 2010–~2020 31 28,800 48 yes – – yes Explorer, Oyster Perpetual 3130 with Parachrom + Paraflex; 214270
3135 automatic in-house 1988–2018 31 28,800 48 yes yes – yes Submariner 30-year workhorse; 16610 / 16613 / 16618 / 116610-series
3175 automatic in-house 1989–99 31 28,800 48 yes yes synchronized yes GMT-Master 16700 — last "caller" GMT
3185 automatic in-house 1989–~2007 31 28,800 48 yes yes independent yes GMT-Master, Explorer 16710 / 16713 / 16718 / 16570
3186 automatic in-house 2007–19 31 28,800 50 yes yes independent yes GMT-Master, Explorer Parachrom hairspring; 116710LN / BLNR / 116719BLRO / late 16710
5035 quartz in-house 1977–2001 11 32 kHz – yes yes – yes Oyster Perpetual Oysterquartz 17000 / 17013 / 17014
5055 quartz in-house 1977–2001 11 32 kHz – yes yes – yes Oyster Perpetual Oysterquartz Day-Date 19018 / 19028

Manual-wind chronograph lineage

The manual-wind Daytona stayed on Valjoux 72 architecture for its full first chapter. Cal 72 belongs to the 6234 and earliest 6238. Cal 722 is the first Rolex-stamped version and powers the original 6239 alongside the 6240 and 6241 generation. Cal 722-1 bridges into the higher-beat cal 727, which lifts the rate from 18,000 to 21,600 vph and then runs through the 6262, 6264, 6263, and 6265 until the manual-wind era closes in 1988.

Automatic chronograph lineage

Cal 4030 is the most disputed Daytona movement spec, but the working outline is clear. Rolex took the Zenith El Primero base, reworked it heavily, and launched it in 1988 with the 16520 for a twelve-year run. Serious sources agree on 28,800 vph, a free-sprung Breguet balance, no date, and major Rolex revision. They diverge on the length of the modification list and on power reserve, usually quoted as 52 or 54 hours. It was the last foreign-sourced caliber in Rolex's modern line.

Cal 4130 launched in 2000 with the 116520 as Rolex's first fully in-house chronograph movement. The architecture is column wheel with a vertical clutch, the reserve runs 72 hours, and the part count drops below the cal 4030 it replaced. It powered the whole pre-ceramic in-house Daytona generation and carried forward into the 116500LN.

Sport time-only lineage (Submariner, GMT-Master, Explorer)

The sport time-only line opens with the A-series bumper automatics. Cal A260 powers the first 6204 and 6205. Cal A296 carries the 6200 and the earliest Explorers, with the 6150 / 6350 split showing the same movement in non-COSC and COSC form. Cal 1030 takes over from 1955 and underpins the mid-1950s Submariner and Explorer generation.

The 15xx family is Rolex's long middle chapter. Cal 1530 anchors early 5508, 5510, 5512, and 5513 production. Cal 1520 is the non-chronometer twin used in late 5513, 5514, and 5517. Cal 1560 and 1570 carry the chronometer side of the Submariner, GMT-Master, and Explorer lines. Cal 1575 adds the date or GMT module, which is how it lands in the 1680, late 1675, and the 1655 Explorer II.

The GMT branch reads in three steps. Cal 1036 and 1065 belong to the bakelite 6542 era and keep the 24-hour hand linked to the main hour hand. Cal 1565, 1575, and 3075 carry that synchronized layout through the 1675 and 16750 generation. Cal 3085 breaks the pattern with the first independently jumping local hour hand, used in the 16760 and 16550. Cal 3185 then defines the long 16710 run, and cal 3186 adds the Parachrom hairspring for late 16710 production and the ceramic-era GMT line. The 16700 keeps the old synchronized caller layout alive on cal 3175 until 1999.

The modern time-only line settles on the 31xx family. Cal 3000 is the first 28,800 vph no-date movement of the era, used in the 14060 and 14270. Cal 3130 succeeds it in the 14060M, 114060, 114270, and later Oyster Perpetual watches. Cal 3132 adds the Parachrom hairspring and Paraflex shock system for the 214270. Cal 3135 is the date counterpart and the dominant modern Rolex workhorse across the Submariner Date and the rest of the steel sports line.

Oyster Perpetual lineage

The Oyster Perpetual line shares most of its movements with the sport watches. Bubbleback and early Oyster references use the 520, 620, 630, and A-series automatics, documented on the Bubbleback family page. Mid-century OP shares the A296 and 1030 with the early Submariner and Explorer. Later no-date OP references move through 1530, 1560, and 1570, then into cal. 3000, 3130, and 3132, in the same sequence seen on the no-date Submariner and Explorer.

The Oysterquartz sits outside the mechanical line. Cal 5035 and 5055 launched in 1977 as Rolex's in-house quartz calibers and ran through 2001. Total output stayed small, under about 25,000 watches across the 24-year run. Cal 5035 powers the Oysterquartz Datejust and Oyster Perpetual references; cal 5055 powers the Day-Date Oysterquartz.

Sources

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