Seiko Cal. 4441 - 407

Released in 1973, the Cal. 4441 with design code 407 was part of Seiko's domestic market collection. Powered by the 4441 caliber with 33j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-6124e8a15fc8]

Also known as: Sportsmatic, Sea Horse

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

12.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

Navy

Jewels

33j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1973

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