Seiko Cal. 5631 - 169

This Quartz model from 1976 features a 36mm Two-Tone case. Powered by the 5631 caliber with 19j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-461f7fb81bf6]

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

36mm

Case Thickness

13.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

White

Jewels

19j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1976

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