Seiko Cal. 4518 - 777

The 4518-777 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4518 caliber with 26j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-9a6cf96f69b6]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

9.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Black

Jewels

26j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1971

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