Seiko Cal. 4430 - 559

The 4430-559 is a sought-after Solar piece from Seiko's golden era. Powered by the 4430 caliber with 19j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-3fb75c07dd1c]

Also known as: Helmet, World Timer

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

39mm

Case Thickness

9.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

140m

Dial Color

Navy

Jewels

19j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1986

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