Seiko Cal. 4440 - 591

The 4440-591 is a sought-after Kinetic piece from Seiko's golden era. The Bidirectional bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-20de233107e0]

Also known as: Tuna, Emperor

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

44mm

Case Thickness

15.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

110m

Dial Color

White

Jewels

25j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1973

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