Seiko Cal. 5690 - 751

This Automatic model from 1968 features a 39mm Titanium case. With its 18mm lug width and 14.1mm profile, it sits comfortably on most wrists. [seikata-wm-8d9b9365fe1a]

Also known as: Sportsmatic, Arnie

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

39mm

Case Thickness

14.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Silver

Jewels

22j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1968

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