Seiko Cal. 5231 - 651

This Quartz model from 1977 features a 36mm PVD Black case. With its 18mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-496ac770e454]

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

36mm

Case Thickness

10.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

30m

Dial Color

Burgundy

Jewels

29j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1977

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