Seiko Cal. 5666 - 574

This Spring Drive model from 1977 features a 40mm Titanium case. Powered by the 5666 caliber with 34j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-afb2bbd00896]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

11.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Black

Jewels

34j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1977

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