Seiko Cal. 6663 - 485

This Spring Drive model from 1975 features a 37mm PVD Black case. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-6f61ac86aa5a]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

13.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1975

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