Seiko Cal. 6668 - 572

The Seiko 6668-572 represents an important milestone in Seiko's 1974 lineup. It features a White dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-bc1f72b5eadf]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

36mm

Case Thickness

15.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

White

Jewels

31j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1974

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