Seiko Cal. 6669 - 610

The 6669-610 is a sought-after Quartz piece from Seiko's golden era. It features a Black dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-d7171b5f3336]

Also known as: Sumo, Silverwave

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

44mm

Case Thickness

9.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Black

Jewels

20j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1974

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