Seiko Cal. 4425 - 550

Seiko 4425-550

The 4425-550 is a sought-after Solar piece from Seiko's golden era. Powered by the 4425 caliber with 27j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-8283ca03e319]

Also known as: UFO, Rally

Specifications

Movement
Solar
Case Material
Gold-Plated
Case Width
46mm
Case Thickness
12.6mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
110m
Dial Color
Burgundy
Jewels
27j
Frequency
36,000 bph
Power Reserve
56 hours
Year
1993

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