Seiko Cal. 4431 - 552

Seiko 4431-552

The 4431-552 is a sought-after Solar piece from Seiko's golden era. Powered by the 4431 caliber with 30j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-6740e82f34f8]

Also known as: Emperor

Specifications

Movement
Solar
Case Material
Gold-Plated
Case Width
37mm
Case Thickness
13.6mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
170m
Dial Color
Blue Sunburst
Jewels
30j
Frequency
28,800 bph
Power Reserve
65 hours
Year
1993

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seikata-wm-6740e82f34f8