Seiko Cal. 4433 - 937

The Seiko 4433-937 represents an important milestone in Seiko's 1983 lineup. It features a Black dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-5a294fd261b1]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

15.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Black

Jewels

24j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1983

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