Seiko Cal. 4456 - 917

The Seiko 4456-917 represents an important milestone in Seiko's 1983 lineup. With its 20mm lug width and 11.2mm profile, it sits comfortably on most wrists. [seikata-wm-c31ac6faf7ae]

Also known as: Navigator

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

39mm

Case Thickness

11.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Silver

Jewels

32j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1983

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