Seiko Cal. 3891 - 601

The Seiko 3891-601 represents an important milestone in Seiko's 1986 lineup. Powered by the 3891 caliber with 32j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-e6a85c90bc6c]

Also known as: Bullhead, Arnie

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

9.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

32j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1986

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