Seiko Cal. 5641 - 512

This Quartz model from 1981 features a 34mm Hardlex-Coated Steel case. It features a Black dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-89b3bd22e78c]

Also known as: Bellmatic, Sea Horse

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

15.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Black

Jewels

24j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1981

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