Seiko Cal. 6663 - 758

The Seiko 6663-758 represents an important milestone in Seiko's 1967 lineup. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-0adf44092e5f]

Also known as: Helmet, Goldfeather

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

37mm

Case Thickness

10.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Burgundy

Jewels

23j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1967

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