Movement reserves / Watches with a 70-hour power reserve or more
Reference
Watches with a 70-hour power reserve or more
These 34 movements run at least 70 hours from a full wind, so a watch taken off on Friday evening is still running on Monday morning.
| Movement | Winding | Reserve |
|---|---|---|
| Calibre SH21 Review Christopher Ward C60 Trident Pro, C63 Sealander SH21, C9 Harrison 5-Day | Automatic | 120h |
| Grand Seiko 9RA2 Spring Drive Review Grand Seiko Evolution 9 SLGA, SLGA009, Lake Suwa SLGA021 | Automatic | 120h |
| Oris Calibre 400 Review Oris Aquis, Oris ProPilot Calibre 400, Oris Divers Sixty-Five Calibre 400 | Automatic | 120h |
| Swatch Sistem51 Review Swatch Sistem51, Swatch Blancpain Scuba Fifty Fathoms, Scuba Fifty Fathoms | Automatic | 90h |
| Grand Seiko 9SA5 Review Grand Seiko Evolution 9 SLGH, White Birch, White Birch SLGH005 | Automatic | 80h |
| Hamilton H-10 Review Khaki Field Auto, Khaki Navy, Jazzmaster | Automatic | 80h |
| Hamilton H-14 GMT Review Khaki Aviation Converter Auto GMT, Khaki Navy GMT, Hamilton Broadway GMT | Automatic | 80h |
| Hamilton H-23 Review Khaki Field Mechanical Power Reserve, Khaki Field Power Reserve | Hand-wound | 80h |
| Hamilton H-30 Review Khaki Field Day Date, Khaki Aviation Pilot Day Date, Pan Europ Day Date | Automatic | 80h |
| Hamilton H-40 Review Khaki Field King, Khaki King, Khaki Field King Day-Date | Automatic | 80h |
| Hamilton H-50 Review Khaki Field Mechanical, Khaki Field Mechanical Bronze | Hand-wound | 80h |
| Powermatic 80 Review Tissot PRX, Tissot Gentleman, Tissot Seastar | Automatic | 80h |
| TAG Heuer Heuer 02 Review TAG Heuer Carrera Chronograph, Monaco, Carrera Glassbox | Automatic | 80h |
| TAG Heuer TH31 Review Aquaracer Professional 300, Aquaracer Professional 300 Date, Aquaracer Professional 300 GMT | Automatic | 80h |
| Grand Seiko 9R65 Spring Drive Review Grand Seiko Snowflake SBGA211, Grand Seiko Snowflake, SBGA011 | Automatic | 72h |
| Grand Seiko 9S65 Review Grand Seiko SBGR, SBGR253, SBGR251 | Automatic | 72h |
| Longines L888 Review Longines HydroConquest, Spirit, Legend Diver | Automatic | 72h |
| Panerai P.9010 Review Luminor Marina, Luminor Marina 44mm, PAM01313 | Automatic | 72h |
| Rolex 4130 Review Cosmograph Daytona 116500LN, Cosmograph Daytona 116520, Cosmograph Daytona 116519LN | Automatic | 72h |
| Rolex 4131 Review Cosmograph Daytona, Rolex Daytona, Daytona Panda | Automatic | 72h |
| Seiko 6R54 / 6R55 Review Prospex Alpinist GMT, Prospex SPB, Alpinist GMT SPB377 | Automatic | 72h |
| Seiko 6R5J open heart Review Presage Sharp Edged Open Heart, Presage Classic Series Open Heart, SPB417 | Automatic | 72h |
| Tissot Swissmatic Review Tissot Swissmatic, Tissot Everytime Swissmatic, Gent XL Swissmatic | Automatic | 72h |
| Rolex 3230 Review Submariner No Date, Explorer, Oyster Perpetual | Automatic | 70h |
| Rolex 3235 Review Submariner Date, Datejust 41, Sea-Dweller | Automatic | 70h |
| Rolex 3255 Review Rolex Day-Date 40, Rolex Day-Date 36, Rolex President | Automatic | 70h |
| Rolex 3285 Review GMT-Master II, GMT-Master II Pepsi, GMT-Master II Batman | Automatic | 70h |
| Seiko 6R31 Review SPB287, King Seiko Garyu-Bai, King Seiko SPB279 | Automatic | 70h |
| Seiko 6R35 Review Prospex SPB143, Alpinist SPB121, Prospex SPB185 | Automatic | 70h |
| Tudor MT5400 Review Tudor Pelagos 39, Tudor Black Bay 54, BB54 | Automatic | 70h |
| Tudor MT5402 Review Black Bay Fifty-Eight, Black Bay 58, Black Bay Fifty-Eight 79030N | Automatic | 70h |
| Tudor MT5602 Review Black Bay, Tudor Black Bay 41, Black Bay 79230 | Automatic | 70h |
| Tudor MT5652 GMT Review Black Bay GMT, Black Bay Pro, Tudor Black Bay GMT | Automatic | 70h |
| Tudor MT5813 chronograph Review Black Bay Chrono, Black Bay Chrono 79360N, Black Bay Chrono Panda | Automatic | 70h |
FAQ
Which watches have a 70-hour power reserve?
Among others: Christopher Ward C60 Trident Pro, Grand Seiko Evolution 9 SLGA, Oris Aquis, Swatch Sistem51, Grand Seiko Evolution 9 SLGH, Khaki Field Auto, Khaki Aviation Converter Auto GMT, Khaki Field Mechanical Power Reserve. The table lists every movement and the watches it's found in.
Will a 70-hour watch survive a weekend?
Yes, if it was fully wound. Friday 6pm to Monday 8am is 62 hours, so 70 hours leaves a margin.
Never let one stop
Watch Winder knows all of these movements. Add your watches by name and it counts down each one's reserve, then reminds you before any of them stops.