Seiko Cal. 6646 - 979

This Hand-Winding model from 1977 features a 42mm PVD Black case. It features a Green dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-8ae89cc79434]

Also known as: Flighty

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

42mm

Case Thickness

12.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Green

Jewels

22j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1977

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