Seiko Cal. 5665 - 773

This Spring Drive model from 1978 features a 43mm Stainless Steel case. With its 21mm lug width and 8.5mm profile, it sits comfortably on most wrists. [seikata-wm-3b7fd96d5e21]

Also known as: World Timer, Arnie

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

8.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Navy

Jewels

24j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1978

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