CitizenPromaster Fujitsubo

Seiko dive watch on the wrist
Scale drawing of the Citizen Promaster Fujitsubo: 41 mm diameter, 46 mm lug-to-lug and 12 mm thick

A scale drawing from the manufacturer’s dimensions; the official photo is pending. Header: a Seiko Prospex on the wrist.

Citizen Promaster Fujitsubo€560–620
Citizen · Ref. NB6025-59H · Dive · Japan

Indicative price band. The exact price is on Amazon.

See price on Amazon
  • The titanium Fujitsubo: a light 41 mm diver with sapphire, 200 m and a 28,800 bph Citizen movement.
  • 9051 movement with 42 h of power reserve at 28,800 bph.
  • Hacking seconds and hand winding.
  • Sapphire crystal and 200 m water resistance.
  • 41 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

42 hPower reserve
41mm diameter
—mm thick
—mm lug-to-lug
200 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 Promaster Fujitsubo: 41 mm diameter, 46 mm lug-to-lug and 12 mm thickØ 41 mm46 mm lug-to-lug12 mm

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

Promaster Fujitsubo41 mmProspex King Turtle PADI45 mmProspex King Samurai PADI43.8 mm

Specifications

Movement

Movement9051
Movement makerCitizen
Power reserve42 h
Beat rate28,800 bph
Hacking secondsYes
Hand windingYes

Case and crystal

Diameter41 mm
Thickness—
Lug-to-lug—
CaseTitanium
CrystalSapphire
Water resistance200 m
Rotating bezelYes, unidirectional
Display casebackNo

Strap and dial

Lug width20 mm
Strap or braceletTitanium bracelet
DialGrey
ComplicationsDate

Buying

Indicative price band€560–620
StyleDive
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 28,800 bph automatics: hacking seconds, hand winding and about 42 hours.

All about the Citizen 9051 and 9054

Against its rivals

Scale drawing of the Citizen Promaster Fujitsubo: 41 mm diameter, 46 mm lug-to-lug and 12 mm thick
Citizen Promaster Fujitsubo
9051, 42 h, sapphire, 200 m, 41 mm
€560–620
Scale drawing of the Seiko Prospex King Turtle PADI: 45 mm diameter, 47.7 mm lug-to-lug and 13.2 mm thick
Seiko Prospex King Turtle PADI
4R36, 41 h, sapphire, 200 m, 45 mm
€550–600
Scale drawing of the Seiko Prospex King Samurai PADI: 43.8 mm diameter, 48.7 mm lug-to-lug and 12.8 mm thick
Seiko Prospex King Samurai PADI
4R35, 41 h, sapphire, 200 m, 43.8 mm
€530–580
Figure Citizen Promaster FujitsuboSeiko Prospex King Turtle PADISeiko Prospex King Samurai PADI
Indicative price band€560–620€550–600€530–580
Movement90514R364R35
Power reserve42 h41 h41 h
Beat rate28,800 bph21,600 bph21,600 bph
CrystalSapphireSapphireSapphire
Water resistance200 m200 m200 m
Diameter41 mm45 mm43.8 mm
Thickness—13.2 mm12.8 mm
Lug-to-lug—47.7 mm48.7 mm
Hacking secondsYesYesYes
Hand windingYesYesYes
Rotating bezelYesYesYes
Strap or braceletTitanium braceletSteel braceletSilicone strap
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 Promaster Fujitsubo use?

The 9051, from the Citizen 9051 and 9054 family, made by Citizen. It gives 42 h of power reserve at 28,800 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 200 m: fine for swimming and diving. For scuba diving, check that the model meets ISO 6425.

What size wrist does it suit?

There is no lug-to-lug figure for this model.