Seiko Cal. 0717 - 635

This Hand-Winding model from 1977 features a 42mm Titanium case. With its 22mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-24595c70bc8c]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

42mm

Case Thickness

9.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

White

Jewels

28j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1977

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