Seiko Cal. 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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