Seiko Cal. 6622 - 688

The 6622-688 is a sought-after Spring Drive piece from Seiko's golden era. It features a Navy dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-b3f8afc892eb]

Also known as: Bullhead, Crown

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

8.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Navy

Jewels

33j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1979

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