Seiko Cal. 3891 - 187

The Seiko 3891-187 represents an important milestone in Seiko's 1985 lineup. With its 22mm lug width and 15.9mm profile, it sits comfortably on most wrists. [seikata-wm-f045e61c5b1b]

Also known as: Sea Horse, Crown

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

15.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Cream

Jewels

23j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1985

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