Seiko Cal. 6660 - 742

The Seiko 6660-742 represents an important milestone in Seiko's 1983 lineup. The Coin-Edge bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-3e8835971797]

Also known as: Bullhead, Goldfeather

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

14.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Silver

Jewels

19j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1983

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