Seiko Cal. 4430 - 570

Seiko 4430-570

The 4430-570 is a sought-after Solar piece from Seiko's golden era. Powered by the 4430 caliber with 26j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-b842d38451d4]

Also known as: Sumo

Specifications

Movement
Solar
Case Material
Titanium
Case Width
46mm
Case Thickness
15.4mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
150m
Dial Color
Navy
Jewels
26j
Frequency
28,800 bph
Power Reserve
40 hours
Year
1989

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