Seiko Cal. 7140 - 968

The Seiko 7140-968 represents an important milestone in Seiko's 1977 lineup. Powered by the 7140 caliber with 27j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-1c2885337aea]

Also known as: Sumo, Bullhead

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

13.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

130m

Dial Color

Cream

Jewels

27j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1977

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