Seiko Cal. 6357 - 997

This Spring Drive model from 1966 features a 44mm Hardlex-Coated Steel case. It features a White dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-fdcbc2b854c4]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

13.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

200m

Dial Color

White

Jewels

25j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1966

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