Seiko Cal. 0773 - 139

The Seiko 0773-139 represents an important milestone in Seiko's 1976 lineup. Powered by the 0773 caliber with 35j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-eb1cf119de6e]

Also known as: Helmet, Silverwave

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

8.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

30m

Dial Color

Champagne

Jewels

35j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1976

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