Seiko Cal. 4478 - 949

This Spring Drive model from 1982 features a 45mm Stainless Steel case. Powered by the 4478 caliber with 30j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-c58e5c5edfdf]

Also known as: Monster, World Timer

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

11.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1982

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