Seiko Cal. 3889 - 635

This Automatic model from 1992 features a 41mm Stainless Steel case. Powered by the 3889 caliber with 25j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-4c6e13667b8e]

Also known as: World Timer

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

9.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Navy

Jewels

25j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1992

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