Seiko Cal. 3871 - 391

The Seiko 3871-391 represents an important milestone in Seiko's 1993 lineup. Powered by the 3871 caliber with 26j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-74f7913ac617]

Also known as: Flighty

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

10.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Champagne

Jewels

26j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1993

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