Seiko Cal. 6646 - 400

This Quartz model from 1976 features a 39mm Hardlex-Coated Steel case. It features a Black dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-6c08599918be]

Also known as: Silverwave, Crown

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

8.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

110m

Dial Color

Black

Jewels

29j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1976

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