Seiko Cal. 4479 - 897

This Spring Drive model from 1978 features a 37mm Hardlex-Coated Steel case. Powered by the 4479 caliber with 18j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-d1e70cb44b07]

Also known as: Monster, UFO

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

15.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

Silver

Jewels

18j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1978

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