Seiko Cal. 4443 - 937

Released in 1972, the Cal. 4443 with design code 937 was part of Seiko's domestic market collection. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-3a12dfd76ec6]

Also known as: Crown, Emperor

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

10.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1972

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