Seiko Cal. 4443 - 733

The Seiko 4443-733 represents an important milestone in Seiko's 1981 lineup. Powered by the 4443 caliber with 30j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-262460ff910e]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

42mm

Case Thickness

11.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Navy

Jewels

30j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1981

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