Seiko Cal. 4437 - 491

This Hand-Winding model from 1993 features a 38mm Titanium case. Powered by the 4437 caliber with 34j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-b7ab305afa82]

Also known as: Sportsmatic, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

38mm

Case Thickness

11.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

150m

Dial Color

Champagne

Jewels

34j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1993

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