Seiko Cal. 6617 - 716

This Hand-Winding model from 1979 features a 42mm Titanium case. With its 20mm lug width and 12.8mm profile, it sits comfortably on most wrists. [seikata-wm-792f0bc7976d]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

42mm

Case Thickness

12.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Cream

Jewels

27j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1979

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