Seiko Cal. 6663 - 838

This Hand-Winding model from 1980 features a 42mm Hardlex-Coated Steel case. Powered by the 6663 caliber with 30j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-a24ffbce511f]

Also known as: Arnie

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

8.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Cream

Jewels

30j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1980

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