Seiko Cal. 6663 - 354

This Spring Drive model from 1978 features a 40mm Titanium case. With its 22mm lug width and 12.0mm profile, it sits comfortably on most wrists. [seikata-wm-ed4e55822e8e]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

12.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Champagne

Jewels

22j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1978

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