Seiko Cal. 4566 - 540

This Automatic model from 1976 features a 35mm Hardlex-Coated Steel case. Powered by the 4566 caliber with 29j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-1e176f7d19a7]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

10.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

100m

Dial Color

Silver

Jewels

29j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1976

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