Seiko Cal. 7170 - 663

This Hand-Winding model from 1979 features a 39mm Titanium case. With its 19mm lug width and 12.8mm profile, it sits comfortably on most wrists. [seikata-wm-b70ed91ae50b]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

12.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1979

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