Seiko Cal. 3891 - 891

The Seiko 3891-891 represents an important milestone in Seiko's 1976 lineup. Powered by the 3891 caliber with 17j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-ac159032c649]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

12.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1976

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