Seiko Cal. 4443 - 501

The Seiko 4443-501 represents an important milestone in Seiko's 1978 lineup. Powered by the 4443 caliber with 22j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-e2099a57a69d]

Also known as: Sea Horse, Crown

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

15.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Black

Jewels

22j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1978

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