Seiko Cal. 3891 - 586

The Seiko 3891-586 represents an important milestone in Seiko's 1976 lineup. Powered by the 3891 caliber with 21j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-e94be32c5662]

Also known as: Shogun, Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

46mm

Case Thickness

15.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Burgundy

Jewels

21j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1976

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