Seiko Cal. 5625 - 933

This Spring Drive model from 1981 features a 36mm Titanium case. Powered by the 5625 caliber with 30j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-f4173cbcf9ff]

Also known as: Sumo, Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

12.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Silver

Jewels

30j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1981

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