Seiko Cal. 3897 - 357

This Hand-Winding model from 1986 features a 38mm Hardlex-Coated Steel case. It features a White dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-a94d999e6dfd]

Also known as: Sumo, Flighty

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

10.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

170m

Dial Color

White

Jewels

22j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1986

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