Seiko Cal. 5641 - 408

This Automatic model from 1978 features a 40mm Hardlex-Coated Steel case. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-d8ca92a639d4]

Also known as: Shogun

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

12.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1978

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