Seiko Cal. 5665 - 966

This Spring Drive model from 1984 features a 36mm Titanium case. With its 19mm lug width and 13.4mm profile, it sits comfortably on most wrists. [seikata-wm-c3fbb9abaf6d]

Also known as: World Timer, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

13.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

50m

Dial Color

Champagne

Jewels

20j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1984

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