Seiko Cal. 6647 - 104

This Quartz model from 1974 features a 40mm Stainless Steel case. It features a Black dial protected by a Acrylic crystal and offers 150m of water resistance. [seikata-wm-ece003527014]

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

12.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Black

Jewels

21j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1974

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