Seiko Cal. 0769 - 557

This Hand-Winding model from 1973 features a 37mm Titanium case. With its 20mm lug width and 14.1mm profile, it sits comfortably on most wrists. [seikata-wm-160bfd5cdbc6]

Also known as: Tuna, Rally

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

14.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Navy

Jewels

35j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1973

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