Seiko Cal. 3891 - 708

The Seiko 3891-708 represents an important milestone in Seiko's 1981 lineup. Powered by the 3891 caliber with 25j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-2f627136050e]

Also known as: Goldfeather, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

9.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1981

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