Seiko Cal. 5665 - 733

This Hand-Winding model from 1971 features a 39mm Stainless Steel case. With its 20mm lug width and 9.4mm profile, it sits comfortably on most wrists. [seikata-wm-b9f01e48f1d7]

Also known as: Tuna, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

9.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

160m

Dial Color

Green

Jewels

24j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1971

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