Seiko Cal. 4441 - 148

Released in 1979, the Cal. 4441 with design code 148 was part of Seiko's domestic market collection. Powered by the 4441 caliber with 26j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-ed939068f8d2]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

43mm

Case Thickness

9.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

White

Jewels

26j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1979

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