CitizenTsuyosa

Blue dial of a Seiko 5 Sports, close up
Scale drawing of the Citizen Tsuyosa: 40 mm diameter, 45 mm lug-to-lug and 12 mm thick

A scale drawing from the manufacturer’s dimensions; the official photo is pending. Header: a Seiko 5 Sports, close up.

Citizen Tsuyosa€240–275
Citizen · Ref. NJ0150-81Z · Sports · Japan

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

40 hPower reserve
40mm diameter
—mm thick
—mm lug-to-lug
50 mWater resistance
SapphireCrystal

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.

Scale drawing of the Citizen Tsuyosa: 40 mm diameter, 45 mm lug-to-lug and 12 mm thickØ 40 mm45 mm lug-to-lug12 mm

With a 17 cm circumference, your wrist is about 56 mm wide.

Tsuyosa40 mm5 Sports Suits40 mm5 Sports GMT42.5 mm

Specifications

Movement

Movement8210
Movement makerCitizen
Power reserve40 h
Beat rate21,600 bph
Hacking secondsYes
Hand windingYes

Case and crystal

Diameter40 mm
Thickness—
Lug-to-lug—
CaseSteel
CrystalSapphire
Water resistance50 m
Rotating bezelNo
Display casebackYes

Strap and dial

Lug widthIntegrated
Strap or braceletIntegrated steel bracelet
DialYellow
ComplicationsDate

Buying

Indicative price band€240–275
StyleSports
Brand originJapan

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.

All about the Citizen 82 series (8200, 8203, 8204 and 8210)

Against its rivals

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
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
Seiko 5 Sports GMT in its box
Seiko 5 Sports GMT
4R34, 41 h, Hardlex, 100 m, 42.5 mm
€420–470
Figure Citizen TsuyosaSeiko 5 Sports SuitsSeiko 5 Sports GMT
Indicative price band€240–275€275–310€420–470
Movement82104R364R34
Power reserve40 h41 h41 h
Beat rate21,600 bph21,600 bph21,600 bph
CrystalSapphireHardlexHardlex
Water resistance50 m100 m100 m
Diameter40 mm40 mm42.5 mm
Thickness—11.5 mm13.6 mm
Lug-to-lug—44.6 mm46 mm
Hacking secondsYesYesYes
Hand windingYesYesYes
Rotating bezelNoNoYes
Strap or braceletIntegrated steel braceletSteel braceletSteel bracelet
Brand originJapanJapanJapan
See price on AmazonSee specsSee price on AmazonSee specsSee 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

Caseback of an automatic watch showing the rotor Power reserveHow long it keeps running off the wrist, and why 80 hours changes daily life.Read the guide Dial of a Seiko chronograph, close up 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.