CitizenTsuyosa

A scale drawing from the manufacturer’s dimensions; the official photo is pending. Header: a Seiko 5 Sports, close up.
Indicative price band. The exact price is on Amazon.
See price on Amazon- An integrated bracelet, sapphire and a coloured dial for about €250: the Japanese alternative to the Tissot PRX.
- 8210 movement with 40 h of power reserve at 21,600 bph.
- Hacking seconds and hand winding.
- Sapphire crystal and 50 m water resistance.
- 40 mm diameter, — thick and — lug-to-lug.
Affiliate link: if you buy, Amazon pays Calibrario a commission and you pay the same. Availability on Amazon.es checked on 21 October 2026.
In figures
Will it fit your wrist?
Move the slider to your wrist circumference. Seen from above, your wrist is roughly a third of that wide; if the lug-to-lug is wider, the watch overhangs.
With a 17 cm circumference, your wrist is about 56 mm wide.
Specifications
Movement
| Movement | 8210 |
|---|---|
| Movement maker | Citizen |
| Power reserve | 40 h |
| Beat rate | 21,600 bph |
| Hacking seconds | Yes |
| Hand winding | Yes |
Case and crystal
| Diameter | 40 mm |
|---|---|
| Thickness | — |
| Lug-to-lug | — |
| Case | Steel |
| Crystal | Sapphire |
| Water resistance | 50 m |
| Rotating bezel | No |
| Display caseback | Yes |
Strap and dial
| Lug width | Integrated |
|---|---|
| Strap or bracelet | Integrated steel bracelet |
| Dial | Yellow |
| Complications | Date |
Buying
| Indicative price band | €240–275 |
|---|---|
| Style | Sports |
| Brand origin | Japan |
Data checked against the manufacturer’s official website on 21 October 2026. A dash means the manufacturer does not publish that figure.
Sources: citizenwatch.eu, citizenwatch.com, citizenwatch-global.com
The movement
Citizen’s automatics made by its subsidiary Miyota: 21 jewels and about 40 hours.
Against its rivals

| Figure | Citizen Tsuyosa | Seiko 5 Sports Suits | Seiko 5 Sports GMT |
|---|---|---|---|
| Indicative price band | €240–275 | €275–310 | €420–470 |
| Movement | 8210 | 4R36 | 4R34 |
| Power reserve | 40 h | 41 h | 41 h |
| Beat rate | 21,600 bph | 21,600 bph | 21,600 bph |
| Crystal | Sapphire | Hardlex | Hardlex |
| Water resistance | 50 m | 100 m | 100 m |
| Diameter | 40 mm | 40 mm | 42.5 mm |
| Thickness | — | 11.5 mm | 13.6 mm |
| Lug-to-lug | — | 44.6 mm | 46 mm |
| Hacking seconds | Yes | Yes | Yes |
| Hand winding | Yes | Yes | Yes |
| Rotating bezel | No | No | Yes |
| Strap or bracelet | Integrated steel bracelet | Steel bracelet | Steel bracelet |
| Brand origin | Japan | Japan | Japan |
| See price on AmazonSee specs | See price on AmazonSee specs | See price on AmazonSee specs |
Watches of the same style with the nearest price band. In red, the best figure in each row.
Comparisons
Making sense of the specs
Power reserveHow long it keeps running off the wrist, and why 80 hours changes daily life.Read the guide
Sapphire, Hardlex or mineralWhich crystal scratches, which chips and which is worth it.Read the guide Frequently asked questions
Which movement does the Citizen Tsuyosa use?
The 8210, from the Citizen 82 series (8200, 8203, 8204 and 8210) family, made by Citizen. It gives 40 h of power reserve at 21,600 bph.
Does it have hacking seconds and hand winding?
The seconds hand stops when you pull the crown, and it can be wound by hand by turning it.
Can you swim or dive with it?
It is water resistant to 50 m: it handles splashes and rain, but it is best not to swim with it.
What size wrist does it suit?
There is no lug-to-lug figure for this model.