Seiko Cal. 0743 - 638

This Spring Drive model from 1974 features a 37mm Stainless Steel case. With its 22mm lug width and 10.0mm profile, it sits comfortably on most wrists. [seikata-wm-9174384705bb]

Also known as: Sumo, Panda

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

10.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

200m

Dial Color

Champagne

Jewels

18j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1974

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