Seiko Cal. 0748 - 640

This Spring Drive model from 1973 features a 38mm Stainless Steel case. With its 20mm lug width and 12.9mm profile, it sits comfortably on most wrists. [seikata-wm-c903e0a812d5]

Also known as: Tuna, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

12.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

120m

Dial Color

Navy

Jewels

26j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1973

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