Seiko Cal. 7138 - 373

The Seiko 7138-373 represents an important milestone in Seiko's 1977 lineup. Powered by the 7138 caliber with 35j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-25c82191bd2f]

Also known as: Sportsmatic, Emperor

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

13.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

60m

Dial Color

Burgundy

Jewels

35j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1977

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