Seiko Cal. 6677 - 641

This Hand-Winding model from 1981 features a 40mm PVD Black case. Powered by the 6677 caliber with 32j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-2b1cd80eb5e1]

Also known as: Flighty

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

12.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Silver

Jewels

32j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1981

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