Seiko Cal. 3881 - 312

The Seiko 3881-312 represents an important milestone in Seiko's 1999 lineup. Powered by the 3881 caliber with 20j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-488e83079e91]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

9.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Champagne

Jewels

20j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1999

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