Seiko Cal. 4449 - 278

The Seiko 4449-278 represents an important milestone in Seiko's 1971 lineup. Powered by the 4449 caliber with 26j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-768f3f5820b8]

Also known as: Sportsmatic, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

8.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Green

Jewels

26j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1971

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