Seiko Cal. 0739 - 574

This Spring Drive model from 1980 features a 41mm Titanium case. With its 19mm lug width and 8.7mm profile, it sits comfortably on most wrists. [seikata-wm-dadb44fe0a74]

Also known as: Monster, Sumo

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

8.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Cream

Jewels

36j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1980

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