Seiko Cal. 3851 - 937

This Hand-Winding model from 1980 features a 41mm Stainless Steel case. It features a White dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-7c4d5eac910a]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

9.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

70m

Dial Color

White

Jewels

26j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1980

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