Seiko Cal. 6663 - 641

This Automatic model from 1977 features a 42mm PVD Black case. Powered by the 6663 caliber with 26j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-5d8d4ddd39cd]

Also known as: Goldfeather

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

10.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

110m

Dial Color

Burgundy

Jewels

26j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1977

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