Seiko Cal. 4440 - 337

Released in 1990, the Cal. 4440 with design code 337 was part of Seiko's domestic market collection. With its 20mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-b20ea3bd22ac]

Also known as: Pogue, World Timer

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

8.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Green

Jewels

34j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1990

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