Seiko Cal. 4448 - 149

This Spring Drive model from 1973 features a 43mm Titanium case. Powered by the 4448 caliber with 28j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-51a03b33072d]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

8.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Champagne

Jewels

28j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1973

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