Seiko Cal. 5642 - 685

This Automatic model from 1978 features a 43mm Hardlex-Coated Steel case. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-bca040704687]

Also known as: Turtle, Bullhead

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

10.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1978

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