Seiko Cal. 5631 - 371

This Quartz model from 1982 features a 37mm Titanium case. With its 20mm lug width and 14.4mm profile, it sits comfortably on most wrists. [seikata-wm-fd87d2e7ecf6]

Also known as: Panda

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

37mm

Case Thickness

14.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Champagne

Jewels

20j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1982

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