Seiko Cal. 3870 - 903

The Seiko 3870-903 represents an important milestone in Seiko's 1989 lineup. With its 19mm lug width and 14.2mm profile, it sits comfortably on most wrists. [seikata-wm-8d7c9dfce951]

Also known as: Sea Horse

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

14.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

60m

Dial Color

Champagne

Jewels

33j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1989

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