Seiko Cal. 4479 - 644

This Spring Drive model from 1986 features a 46mm Stainless Steel case. Powered by the 4479 caliber with 18j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-3652f8f4b565]

Also known as: Shogun, Navigator

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

11.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

White

Jewels

18j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1986

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