Seiko Cal. 7138 - 944

The Seiko 7138-944 represents an important milestone in Seiko's 1965 lineup. Powered by the 7138 caliber with 17j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-31cea11b981a]

Also known as: Bullhead, Crown

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

11.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

150m

Dial Color

Black

Jewels

17j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1965

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