Seiko Cal. 4457 - 488

This Automatic model from 1966 features a 46mm Stainless Steel case. Powered by the 4457 caliber with 18j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-72f2ac7d98ed]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

15.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

White

Jewels

18j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1966

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