Seiko Cal. 4448 - 152

The 4448-152 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4448 caliber with 28j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-f84eaebb9164]

Also known as: World Timer, Arnie

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

12.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Black

Jewels

28j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1974

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