Seiko Cal. 4457 - 399

This Spring Drive model from 1977 features a 37mm Stainless Steel case. Powered by the 4457 caliber with 20j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-fc8dda0e028f]

Also known as: Goldfeather

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

9.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Green

Jewels

20j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1977

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