Seiko Cal. 0783 - 230

This Spring Drive model from 1991 features a 36mm Titanium case. Powered by the 0783 caliber with 32j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-2c24926350b6]

Also known as: Sumo, Bullhead

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

11.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1991

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