Reference:Movements: Difference between revisions

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| '''4130''' || chronograph || 2000–present || 44j · 28,800 vph · 72h || chronometer || Daytona || First in-house Rolex chronograph; vertical clutch

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| '''520''' || automatic || 1933–c.1936 || 19j · 18,000 vph || chronometer || Oyster Perpetual (Bubbleback) || First Bubbleback caliber, debuting in the original 1933 reference 1858 with the three-piece Oyster case. Documented on the [[Reference:3353|3353]] (Cal. 520, 19 jewels, per Christie's lot description). Superseded by Cal. 620 as the movement architecture matured.

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| '''620''' || automatic || 1931–mid 1930s || 17j · 18,000 vph · 35h || chronometer || Oyster Perpetual (Bubbleback) || 11½ lignes, 26.4mm diameter, 7.5mm height. Derived from the manual-wind Cal. 600. Uni-directional "Perpetual" rotor, notable for spinning a full 360 degrees without bumpers/buffers — unlike contemporary bumper-automatic systems from other makers. Rotor engraved "ROLEX PERPETUAL / CHRONOMETER / SWISS MADE / PATENTED / SUPER-BALANCE"; an 18mm cover plate held by 3 screws is marked "VIS TIRETTE / PATENTED / TRIGGER SCREW". Powered the original 1931 "Perpetual" and early Bubbleback references. Base architecture for Cal. 630, 635, and 645.

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| '''630''' || automatic || mid-1930s onward || 17j (typical) · 18,000 vph || chronometer || Oyster Perpetual (Bubbleback) || Evolved directly from Cal. 620's architecture (per Caliber Corner's own grouping of 620/630/635/645 as a related family); full individual specification not yet independently documented here — treat jewel count and dimensions as provisional pending a dedicated source.

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| '''10½ Hunter''' || manual || 1945–53 || 15j (early) → 17j (later) · 18,000 vph || — || Air-King, Oyster Perpetual || Aegler-supplied 10½-ligne hand-wound family (700 / 710 / 720 base architecture). Powers the originating Air-King 4925 and the sister Air-Lion / Air-Tiger / Air-Giant references (4365 sub-seconds / 4444 mid-size / 4647 Hunter Precision). Non-chronometer, central seconds. The bridge between the pre-war Bubbleback shaped calibers and the post-war 1030 automatic.

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== 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 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. Cal 520 debuts in the first 1933 Bubbleback, reference 1858; Cal 620 follows as the more thoroughly documented architecture — a 360-degree-spinning, buffer-free Perpetual rotor at a time when competing automatics still used bumper systems — and Cal 630 (and its 635/645 siblings) evolve directly from the 620 base. Individual reference pages document real jewel counts and configurations where an auction house or dealer catalogue specifies them; a generic "9¾ ligne" or "9¾ lignes" note on a reference page means the specific caliber number was not stated in the source, only the movement's size class. 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.

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 |-
 | <span id="cal-4130"></span>'''4130''' || chronograph || 2000–present || 44j · 28,800 vph · 72h || chronometer || Daytona || First in-house Rolex chronograph; vertical clutch
+|-
+| <span id="cal-520"></span>'''520''' || automatic || 1933–c.1936 || 19j · 18,000 vph || chronometer || Oyster Perpetual (Bubbleback) || First Bubbleback caliber, debuting in the original 1933 reference 1858 with the three-piece Oyster case. Documented on the [[Reference:3353|3353]] (Cal. 520, 19 jewels, per Christie's lot description). Superseded by Cal. 620 as the movement architecture matured.
+|-
+| <span id="cal-620"></span>'''620''' || automatic || 1931–mid 1930s || 17j · 18,000 vph · 35h || chronometer || Oyster Perpetual (Bubbleback) || 11½ lignes, 26.4mm diameter, 7.5mm height. Derived from the manual-wind Cal. 600. Uni-directional "Perpetual" rotor, notable for spinning a full 360 degrees without bumpers/buffers — unlike contemporary bumper-automatic systems from other makers. Rotor engraved "ROLEX PERPETUAL / CHRONOMETER / SWISS MADE / PATENTED / SUPER-BALANCE"; an 18mm cover plate held by 3 screws is marked "VIS TIRETTE / PATENTED / TRIGGER SCREW". Powered the original 1931 "Perpetual" and early Bubbleback references. Base architecture for Cal. 630, 635, and 645.
+|-
+| <span id="cal-630"></span>'''630''' || automatic || mid-1930s onward || 17j (typical) · 18,000 vph || chronometer || Oyster Perpetual (Bubbleback) || Evolved directly from Cal. 620's architecture (per Caliber Corner's own grouping of 620/630/635/645 as a related family); full individual specification not yet independently documented here — treat jewel count and dimensions as provisional pending a dedicated source.
 |-
 | <span id="cal-105-hunter"></span>'''10½ Hunter''' || manual || 1945–53 || 15j (early) → 17j (later) · 18,000 vph || — || Air-King, Oyster Perpetual || Aegler-supplied 10½-ligne hand-wound family (700 / 710 / 720 base architecture). Powers the originating Air-King 4925 and the sister Air-Lion / Air-Tiger / Air-Giant references (4365 sub-seconds / 4444 mid-size / 4647 Hunter Precision). Non-chronometer, central seconds. The bridge between the pre-war Bubbleback shaped calibers and the post-war 1030 automatic.
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 == 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 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. Cal 520 debuts in the first 1933 Bubbleback, reference 1858; Cal 620 follows as the more thoroughly documented architecture — a 360-degree-spinning, buffer-free Perpetual rotor at a time when competing automatics still used bumper systems — and Cal 630 (and its 635/645 siblings) evolve directly from the 620 base. Individual reference pages document real jewel counts and configurations where an auction house or dealer catalogue specifies them; a generic "9¾ ligne" or "9¾ lignes" note on a reference page means the specific caliber number was not stated in the source, only the movement's size class. 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.