Seiko Cal. 4439 - 524

The 4439-524 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4439 caliber with 19j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-f4f2837f1831]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

13.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

190m

Dial Color

Burgundy

Jewels

19j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1992

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