Seiko Cal. 6677 - 763

The Seiko 6677-763 represents an important milestone in Seiko's 1975 lineup. Powered by the 6677 caliber with 31j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-2d76eca7b2af]

Also known as: Goldfeather, Flighty

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

40mm

Case Thickness

9.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

80m

Dial Color

Champagne

Jewels

31j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1975

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