Seiko Cal. 3817 - 903

The Seiko 3817-903 represents an important milestone in Seiko's 1985 lineup. With its 22mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-a87109587d8d]

Also known as: Emperor

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

37mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

White

Jewels

32j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1985

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