Seiko Cal. 5233 - 904

This Spring Drive model from 1990 features a 34mm Titanium case. Powered by the 5233 caliber with 22j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-655e4bcff3e6]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

14.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Black

Jewels

22j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1990

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