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.

MovementWindingReserve
Calibre SH21 Review
Christopher Ward C60 Trident Pro, C63 Sealander SH21, C9 Harrison 5-Day
Automatic120h
Grand Seiko 9RA2 Spring Drive Review
Grand Seiko Evolution 9 SLGA, SLGA009, Lake Suwa SLGA021
Automatic120h
Oris Calibre 400 Review
Oris Aquis, Oris ProPilot Calibre 400, Oris Divers Sixty-Five Calibre 400
Automatic120h
Swatch Sistem51 Review
Swatch Sistem51, Swatch Blancpain Scuba Fifty Fathoms, Scuba Fifty Fathoms
Automatic90h
Grand Seiko 9SA5 Review
Grand Seiko Evolution 9 SLGH, White Birch, White Birch SLGH005
Automatic80h
Hamilton H-10 Review
Khaki Field Auto, Khaki Navy, Jazzmaster
Automatic80h
Hamilton H-14 GMT Review
Khaki Aviation Converter Auto GMT, Khaki Navy GMT, Hamilton Broadway GMT
Automatic80h
Hamilton H-23 Review
Khaki Field Mechanical Power Reserve, Khaki Field Power Reserve
Hand-wound80h
Hamilton H-30 Review
Khaki Field Day Date, Khaki Aviation Pilot Day Date, Pan Europ Day Date
Automatic80h
Hamilton H-40 Review
Khaki Field King, Khaki King, Khaki Field King Day-Date
Automatic80h
Hamilton H-50 Review
Khaki Field Mechanical, Khaki Field Mechanical Bronze
Hand-wound80h
Powermatic 80 Review
Tissot PRX, Tissot Gentleman, Tissot Seastar
Automatic80h
TAG Heuer Heuer 02 Review
TAG Heuer Carrera Chronograph, Monaco, Carrera Glassbox
Automatic80h
TAG Heuer TH31 Review
Aquaracer Professional 300, Aquaracer Professional 300 Date, Aquaracer Professional 300 GMT
Automatic80h
Grand Seiko 9R65 Spring Drive Review
Grand Seiko Snowflake SBGA211, Grand Seiko Snowflake, SBGA011
Automatic72h
Grand Seiko 9S65 Review
Grand Seiko SBGR, SBGR253, SBGR251
Automatic72h
Longines L888 Review
Longines HydroConquest, Spirit, Legend Diver
Automatic72h
Panerai P.9010 Review
Luminor Marina, Luminor Marina 44mm, PAM01313
Automatic72h
Rolex 4130 Review
Cosmograph Daytona 116500LN, Cosmograph Daytona 116520, Cosmograph Daytona 116519LN
Automatic72h
Rolex 4131 Review
Cosmograph Daytona, Rolex Daytona, Daytona Panda
Automatic72h
Seiko 6R54 / 6R55 Review
Prospex Alpinist GMT, Prospex SPB, Alpinist GMT SPB377
Automatic72h
Seiko 6R5J open heart Review
Presage Sharp Edged Open Heart, Presage Classic Series Open Heart, SPB417
Automatic72h
Tissot Swissmatic Review
Tissot Swissmatic, Tissot Everytime Swissmatic, Gent XL Swissmatic
Automatic72h
Rolex 3230 Review
Submariner No Date, Explorer, Oyster Perpetual
Automatic70h
Rolex 3235 Review
Submariner Date, Datejust 41, Sea-Dweller
Automatic70h
Rolex 3255 Review
Rolex Day-Date 40, Rolex Day-Date 36, Rolex President
Automatic70h
Rolex 3285 Review
GMT-Master II, GMT-Master II Pepsi, GMT-Master II Batman
Automatic70h
Seiko 6R31 Review
SPB287, King Seiko Garyu-Bai, King Seiko SPB279
Automatic70h
Seiko 6R35 Review
Prospex SPB143, Alpinist SPB121, Prospex SPB185
Automatic70h
Tudor MT5400 Review
Tudor Pelagos 39, Tudor Black Bay 54, BB54
Automatic70h
Tudor MT5402 Review
Black Bay Fifty-Eight, Black Bay 58, Black Bay Fifty-Eight 79030N
Automatic70h
Tudor MT5602 Review
Black Bay, Tudor Black Bay 41, Black Bay 79230
Automatic70h
Tudor MT5652 GMT Review
Black Bay GMT, Black Bay Pro, Tudor Black Bay GMT
Automatic70h
Tudor MT5813 chronograph Review
Black Bay Chrono, Black Bay Chrono 79360N, Black Bay Chrono Panda
Automatic70h

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.