Seiko Cal. 4581 - 937

This Hand-Winding model from 1995 features a 35mm Stainless Steel case. Powered by the 4581 caliber with 17j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-bb77f024986b]

Also known as: UFO, World Timer

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

15.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

30m

Dial Color

White

Jewels

17j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1995

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