Seiko Cal. 4557 - 235

This Spring Drive model from 1965 features a 43mm Gold-Plated case. Powered by the 4557 caliber with 32j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-cd24b694c4e5]

Also known as: Bullhead, UFO

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

15.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

White

Jewels

32j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1965

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