Movement reserves / Watches with a 80-hour power reserve or more
Reference
Watches with a 80-hour power reserve or more
These 14 movements run at least 80 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 |
FAQ
Which watches have a 80-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 80-hour watch survive a weekend?
Yes, if it was fully wound. Friday 6pm to Monday 8am is 62 hours, so 80 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.