Automatic watches of 39.5 mm or less
7 watches, from €275 to €950 in indicative price. 5 of them have sapphire crystal. The one with the most power reserve is the Tissot PRX Powermatic 80 35 mm, with 80 h.
Criterion: watches up to 39.5 mm in diameter, from smallest to largest. Manufacturer data.
Tissot PRX Powermatic 80 35 mm
Powermatic 80, 80 h, sapphire, 100 m, 35 mm
€540–590
Seiko 5 Sports SKX 38 mm
4R36, 41 h, Hardlex, 100 m, 38 mm
€320–370
Hamilton Khaki Field Auto 38
H-10, 80 h, sapphire, 100 m, 38 mm
€660–710
Laco Augsburg 39
Laco 2S, 42 h, sapphire, 50 m, 39 mm
€370–420
Tissot Chemin des Tourelles Powermatic 80 39 mm
Powermatic 80, 80 h, sapphire, 50 m, 39 mm
€570–630
Mido Baroncelli Signature
Caliber 80, 80 h, sapphire, 50 m, 39 mm
€890–950
Seiko 5 Sports Field
4R36, 41 h, Hardlex, 100 m, 39.4 mm
€275–310
All the figures
| Watch | Movement | Reserve | Crystal | Water res. | Ø | Price band |
|---|---|---|---|---|---|---|
| Tissot PRX Powermatic 80 35 mm | Powermatic 80 | 80 h | Sapphire | 100 m | 35 mm | €540–590 |
| Seiko 5 Sports SKX 38 mm | 4R36 | 41 h | Hardlex | 100 m | 38 mm | €320–370 |
| Hamilton Khaki Field Auto 38 | H-10 | 80 h | Sapphire | 100 m | 38 mm | €660–710 |
| Laco Augsburg 39 | Laco 2S | 42 h | Sapphire | 50 m | 39 mm | €370–420 |
| Tissot Chemin des Tourelles Powermatic 80 39 mm | Powermatic 80 | 80 h | Sapphire | 50 m | 39 mm | €570–630 |
| Mido Baroncelli Signature | Caliber 80 | 80 h | Sapphire | 50 m | 39 mm | €890–950 |
| Seiko 5 Sports Field | 4R36 | 41 h | Hardlex | 100 m | 39.4 mm | €275–310 |
To see three watches column by column, use the comparison tool.
Frequently asked questions
Which is the least expensive?
The Seiko 5 Sports Field, with an indicative price band of €275–310. It has the 4R36 movement, 41 h of reserve and a Hardlex crystal.
Which has the most power reserve?
The Tissot PRX Powermatic 80 35 mm, with 80 h. That is how long it keeps running after you take it off.
Which is the thinnest?
The Mido Baroncelli Signature, at 9.9 mm thick.
Which handles the most depth?
The Tissot PRX Powermatic 80 35 mm, water resistant to 100 m.