Seiko Cal. 0764 - 613

This Spring Drive model from 1965 features a 40mm Stainless Steel case. With its 20mm lug width and 13.5mm profile, it sits comfortably on most wrists. [seikata-wm-65b11d082b1e]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

13.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

White

Jewels

20j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1965

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