Seiko Cal. 4457 - 321

This Spring Drive model from 1976 features a 43mm Stainless Steel case. With its 21mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-d44bca023eb2]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

15.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Green

Jewels

22j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1976

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