Seiko Cal. 3891 - 437

The Seiko 3891-437 represents an important milestone in Seiko's 1986 lineup. With its 21mm lug width and 9.2mm profile, it sits comfortably on most wrists. [seikata-wm-d4db33dff716]

Also known as: Crown

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

9.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Black

Jewels

27j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1986

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