Automatic watches with a display caseback

11 watches, from €240 to €1,290 in indicative price. 3 of them have sapphire crystal. The one with the most power reserve is the Citizen Series 8 870 Mechanical, with 50 h.

Criterion: watches with a transparent caseback. Manufacturer data.

Scale drawing of the Citizen Tsuyosa: 40 mm diameter, 45 mm lug-to-lug and 12 mm thick
Citizen Tsuyosa
8210, 40 h, sapphire, 50 m, 40 mm
€240–275
Seiko 5 on a nylon strap
Seiko 5 Sports Field
4R36, 41 h, Hardlex, 100 m, 39.4 mm
€275–310
Scale drawing of the Seiko 5 Sports Suits: 40 mm diameter, 44.6 mm lug-to-lug and 11.5 mm thick
Seiko 5 Sports Suits
4R36, 41 h, Hardlex, 100 m, 40 mm
€275–310
Scale drawing of the Orient Bambino Sun & Moon: 41.5 mm diameter, 47 mm lug-to-lug and 14.2 mm thick
Orient Bambino Sun & Moon
F6B24, 40 h, mineral, 30 m, 41.5 mm
€280–310
Seiko SKX009 with a blue and red bezel
Seiko 5 Sports
4R36, 41 h, Hardlex, 100 m, 42.5 mm
€285–320
Scale drawing of the Seiko Presage Cocktail Time: 40.5 mm diameter, 47.5 mm lug-to-lug and 11.8 mm thick
Seiko Presage Cocktail Time
4R35, 41 h, Hardlex, 50 m, 40.5 mm
€395–445
Seiko 5 Sports GMT in its box
Seiko 5 Sports GMT
4R34, 41 h, Hardlex, 100 m, 42.5 mm
€420–470
Scale drawing of the Seiko Presage Cocktail Time Open Heart: 40.5 mm diameter, 47.5 mm lug-to-lug and 11.8 mm thick
Seiko Presage Cocktail Time Open Heart
4R38, 41 h, Hardlex, 50 m, 40.5 mm
€440–490
Scale drawing of the Seiko Presage Style 60's GMT: 40.8 mm diameter, 47 mm lug-to-lug and 13 mm thick
Seiko Presage Style 60's GMT
4R34, 41 h, Hardlex, 50 m, 40.8 mm
€600–660
Scale drawing of the Citizen Series 8 870 Mechanical: 40 mm diameter, 45 mm lug-to-lug and 11.7 mm thick
Citizen Series 8 870 Mechanical
0950, 50 h, sapphire, 100 m, 40 mm
€880–950
Scale drawing of the Citizen Series 8 880 GMT: 41 mm diameter, 46 mm lug-to-lug and 12 mm thick
Citizen Series 8 880 GMT
9054, 50 h, sapphire, 100 m, 41 mm
€1,200–1,290

All the figures

WatchMovementReserveCrystalWater res.ØPrice band
Citizen Tsuyosa821040 hSapphire50 m40 mm€240–275
Seiko 5 Sports Field4R3641 hHardlex100 m39.4 mm€275–310
Seiko 5 Sports Suits4R3641 hHardlex100 m40 mm€275–310
Orient Bambino Sun & MoonF6B2440 hMineral30 m41.5 mm€280–310
Seiko 5 Sports4R3641 hHardlex100 m42.5 mm€285–320
Seiko Presage Cocktail Time4R3541 hHardlex50 m40.5 mm€395–445
Seiko 5 Sports GMT4R3441 hHardlex100 m42.5 mm€420–470
Seiko Presage Cocktail Time Open Heart4R3841 hHardlex50 m40.5 mm€440–490
Seiko Presage Style 60's GMT4R3441 hHardlex50 m40.8 mm€600–660
Citizen Series 8 870 Mechanical095050 hSapphire100 m40 mm€880–950
Citizen Series 8 880 GMT905450 hSapphire100 m41 mm€1,200–1,290

To see three watches column by column, use the comparison tool.

Frequently asked questions

Which is the least expensive?

The Citizen Tsuyosa, with an indicative price band of €240–275. It has the 8210 movement, 40 h of reserve and a sapphire crystal.

Which has the most power reserve?

The Citizen Series 8 870 Mechanical, with 50 h. That is how long it keeps running after you take it off.

Which is the thinnest?

The Seiko 5 Sports Suits, at 11.5 mm thick.

Which handles the most depth?

The Seiko 5 Sports Field, water resistant to 100 m.

Other lists