Seiko Cal. 4430 - 710

Seiko 4430-710

The 4430-710 is a sought-after Solar piece from Seiko's golden era. Powered by the 4430 caliber with 20j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-d2f0911b3988]

Also known as: Navigator

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
8.6mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
120m
Dial Color
Green
Jewels
20j
Frequency
28,800 bph
Power Reserve
52 hours
Year
1968

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