Seiko Cal. 4439 - 950

The 4439-950 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4439 caliber with 25j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-b6ab58a7deb1]

Also known as: Flighty

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

38mm

Case Thickness

10.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

170m

Dial Color

Champagne

Jewels

25j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1997

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