Seiko Cal. 4418 - 284

Seiko 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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