Seiko Cal. 6688 - 372

This Spring Drive model from 1970 features a 44mm Stainless Steel case. Powered by the 6688 caliber with 20j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-1012f4eb481c]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

11.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

20j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1970

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