Seiko Cal. 6612 - 668

The Seiko 6612-668 represents an important milestone in Seiko's 1968 lineup. It features a Champagne dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-9658b43ebf69]

Also known as: Tuna, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

42mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Champagne

Jewels

22j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1968

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