Seiko Cal. 6663 - 776

The Seiko 6663-776 represents an important milestone in Seiko's 1985 lineup. Powered by the 6663 caliber with 36j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-d49986598d52]

Also known as: Rally, World Timer

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

14.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Black

Jewels

36j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1985

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