Seiko Cal. 4440 - 540

The 4440-540 is a sought-after Hand-Winding piece from Seiko's golden era. The Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-cd9fed623bc3]

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

12.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

200m

Dial Color

Black

Jewels

22j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1965

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