Seiko Cal. 6693 - 668

The Seiko 6693-668 represents an important milestone in Seiko's 1974 lineup. It features a Cream dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-661a6a80e0aa]

Also known as: Monster, Bullhead

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

13.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Cream

Jewels

19j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1974

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