Seiko Cal. 7170 - 527

This Hand-Winding model from 1981 features a 39mm Titanium case. With its 18mm lug width and 8.6mm profile, it sits comfortably on most wrists. [seikata-wm-78dbb3e34b77]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

8.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Navy

Jewels

19j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1981

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