Seiko Cal. 4430 - 612

Seiko 4430-612

The 4430-612 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4430 caliber with 28j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-5aaf07641da1]

Also known as: UFO, Silverwave

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
12.0mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
80m
Dial Color
Cream
Jewels
28j
Frequency
21,600 bph
Power Reserve
55 hours
Year
1991

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