Seiko Cal. 6663 - 680

This Automatic model from 1968 features a 36mm Hardlex-Coated Steel case. Powered by the 6663 caliber with 21j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-fcd5bc9db0d8]

Also known as: Goldfeather

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

12.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

110m

Dial Color

Silver

Jewels

21j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1968

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