Seiko Cal. 3891 - 402

The Seiko 3891-402 represents an important milestone in Seiko's 1989 lineup. It features a Silver dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-99a28501a08a]

Also known as: Monster, Bullhead

Specifications

Movement

Solar

Case Material

Titanium

Case Width

34mm

Case Thickness

10.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Silver

Jewels

19j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1989

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