Seiko Cal. 3897 - 357

Seiko 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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