Seiko Cal. 0766 - 764

The Seiko 0766-764 represents an important milestone in Seiko's 1971 lineup. Powered by the 0766 caliber with 33j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-00ba189bb7b4]

Also known as: Monster, Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

13.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Champagne

Jewels

33j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1971

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