Seiko Cal. 4518 - 717

The 4518-717 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4518 caliber with 33j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-8c136027ba76]

Also known as: Sportsmatic, Navigator

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

38mm

Case Thickness

9.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

33j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1978

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