Seiko Cal. 4439 - 650

The 4439-650 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4439 caliber with 32j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-919f4945c7a4]

Also known as: Silverwave, Sea Horse

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

12.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

110m

Dial Color

Champagne

Jewels

32j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1990

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