Seiko Cal. 5631 - 132

This Quartz model from 1989 features a 41mm Stainless Steel case. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-62a541faf140]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

10.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Black

Jewels

29j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1989

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