Seiko Cal. 5631 - 123

This Quartz model from 1979 features a 45mm Stainless Steel case. With its 22mm lug width and 14.4mm profile, it sits comfortably on most wrists. [seikata-wm-d03546487008]

Also known as: Silverwave, Baby Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

14.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

200m

Dial Color

Burgundy

Jewels

21j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1979

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