Seiko Cal. 5643 - 704

This Quartz model from 1975 features a 37mm Hardlex-Coated Steel case. It features a White dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-0316e5b86ddb]

Also known as: Bullhead

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

White

Jewels

34j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1975

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