Seiko Cal. 3891 - 699

The 3891-699 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3891 caliber with 17j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-f7f75ca97e72]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

13.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Champagne

Jewels

17j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1975

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