Seiko Cal. 4437 - 596

The Seiko 4437-596 represents an important milestone in Seiko's 1990 lineup. Powered by the 4437 caliber with 18j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-57bd8a08f91a]

Also known as: Shogun

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

11.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

18j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1990

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