Seiko Cal. 6663 - 303

This Spring Drive model from 1981 features a 39mm Stainless Steel case. Powered by the 6663 caliber with 22j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-7cf2e2571ba4]

Also known as: Panda, Flighty

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

50m

Dial Color

White

Jewels

22j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1981

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