Seiko Cal. 4566 - 946

This Automatic model from 1975 features a 39mm Two-Tone case. Powered by the 4566 caliber with 17j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-25579c746c42]

Also known as: Bullhead, Emperor

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

14.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Silver

Jewels

17j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1975

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