Seiko Cal. 6397 - 935

This Spring Drive model from 1981 features a 40mm Hardlex-Coated Steel case. With its 18mm lug width and 10.6mm profile, it sits comfortably on most wrists. [seikata-wm-b24b1af79896]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Green

Jewels

36j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1981

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