Seiko Cal. 5647 - 786

This Hand-Winding model from 1975 features a 42mm Stainless Steel case. It features a Blue Sunburst dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-b1051e16c522]

Also known as: Samurai, Bullhead

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

12.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1975

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