Seiko Cal. 0766 - 739

The Seiko 0766-739 represents an important milestone in Seiko's 1977 lineup. Powered by the 0766 caliber with 31j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-bbd9287e4633]

Also known as: Goldfeather

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

40mm

Case Thickness

10.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Green

Jewels

31j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1977

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