Seiko Cal. 7138 - 900

The Seiko 7138-900 represents an important milestone in Seiko's 1967 lineup. Powered by the 7138 caliber with 20j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-bedd6c775b63]

Also known as: Silverwave

Specifications

Movement

Solar

Case Material

Titanium

Case Width

43mm

Case Thickness

14.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Black

Jewels

20j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1967

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