Seiko Cal. 7144 - 489

The Seiko 7144-489 represents an important milestone in Seiko's 1971 lineup. Powered by the 7144 caliber with 29j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-a8537e21c5a1]

Also known as: Sportsmatic, Bellmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

15.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

50m

Dial Color

Cream

Jewels

29j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1971

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