Seiko Cal. 6646 - 997

This Hand-Winding model from 1980 features a 44mm Hardlex-Coated Steel case. It features a Green dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-47f35aeef29e]

Also known as: Silverwave

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

12.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

90m

Dial Color

Green

Jewels

33j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1980

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