Seiko Cal. 0787 - 139

The Seiko 0787-139 represents an important milestone in Seiko's 1967 lineup. Powered by the 0787 caliber with 33j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-80afaffeab05]

Also known as: Monster, Golden Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

12.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

130m

Dial Color

Champagne

Jewels

33j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1967

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