Seiko Cal. 6677 - 777

The Seiko 6677-777 represents an important milestone in Seiko's 1975 lineup. Powered by the 6677 caliber with 17j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-d83b2f08f924]

Also known as: Sumo, Panda

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

37mm

Case Thickness

10.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Champagne

Jewels

17j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1975

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