Seiko Cal. 3871 - 945

The Seiko 3871-945 represents an important milestone in Seiko's 1991 lineup. Powered by the 3871 caliber with 34j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-4718b266e45b]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

39mm

Case Thickness

8.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Green

Jewels

34j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1991

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