Seiko Cal. 6663 - 902

This Automatic model from 1972 features a 35mm Stainless Steel case. Powered by the 6663 caliber with 22j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-a13376e6336c]

Also known as: Helmet, Navigator

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

15.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

200m

Dial Color

White

Jewels

22j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1972

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