Seiko Cal. 5631 - 197

This Spring Drive model from 1992 features a 45mm Gold-Plated case. With its 18mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-e1ed1c42ff02]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

9.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

130m

Dial Color

Silver

Jewels

36j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1992

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