Seiko Cal. 4437 - 985

The Seiko 4437-985 represents an important milestone in Seiko's 1987 lineup. Powered by the 4437 caliber with 22j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-1a04fc26c0d9]

Also known as: Navigator, Emperor

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

8.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

190m

Dial Color

Champagne

Jewels

22j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1987

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