Seiko Cal. 6663 - 988

This Spring Drive model from 1971 features a 42mm Gold-Plated case. It features a Navy dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-35d18b14bd54]

Also known as: Navigator, Flighty

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

9.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

30m

Dial Color

Navy

Jewels

33j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1971

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