Seiko Cal. 0744 - 875

This Spring Drive model from 1980 features a 36mm Titanium case. Powered by the 0744 caliber with 31j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-e9c5da49dc0d]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

8.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Green

Jewels

31j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1980

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