Seiko Cal. 4420 - 581

Seiko 4420-581

The 4420-581 is a sought-after Solar piece from Seiko's golden era. Powered by the 4420 caliber with 36j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-a427780a440f]

Also known as: Samurai

Specifications

Movement
Solar
Case Material
Two-Tone
Case Width
40mm
Case Thickness
13.9mm
Lug Width
19mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
180m
Dial Color
White
Jewels
36j
Frequency
28,800 bph
Power Reserve
62 hours
Year
1986

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