Seiko Cal. 4418 - 284

The 4418-284 is a sought-after Solar piece from Seiko's golden era. Powered by the 4418 caliber with 21j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-852d8be06ad7]

Also known as: UFO, Arnie

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

12.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Cream

Jewels

21j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1981

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