Seiko Cal. 4448 - 357

The 4448-357 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4448 caliber with 34j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-4fec9d1410a2]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

34mm

Case Thickness

14.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

Green

Jewels

34j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1972

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