Seiko Cal. 3879 - 812

The Seiko 3879-812 represents an important milestone in Seiko's 1990 lineup. Powered by the 3879 caliber with 27j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-56e203a324c3]

Also known as: Sumo, Tuna

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

35mm

Case Thickness

10.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

60m

Dial Color

Silver

Jewels

27j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1990

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