Seiko Cal. 4448 - 321

The 4448-321 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4448 caliber with 18j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-168cf5ccb781]

Also known as: Monster, Emperor

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

11.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

190m

Dial Color

Green

Jewels

18j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1981

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