Seiko Cal. 4518 - 788

This Solar model from 1966 features a 36mm Gold-Plated case. Powered by the 4518 caliber with 18j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-b5ddfecad85c]

Also known as: Sportsmatic

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

15.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Burgundy

Jewels

18j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1966

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