Seiko Cal. 3897 - 640

This Solar model from 1979 features a 45mm Gold-Plated case. With its 21mm lug width and 10.5mm profile, it sits comfortably on most wrists. [seikata-wm-6442074d1330]

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

10.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Navy

Jewels

19j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1979

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