Seiko Cal. 4439 - 723

The 4439-723 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4439 caliber with 32j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-c075ae1bab43]

Also known as: Turtle, Shogun

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

43mm

Case Thickness

11.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Champagne

Jewels

32j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1983

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