Seiko Cal. 4450 - 653

The Seiko 4450-653 represents an important milestone in Seiko's 1979 lineup. Powered by the 4450 caliber with 19j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-bbb6803a25a2]

Also known as: Bellmatic, Emperor

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

37mm

Case Thickness

8.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Green

Jewels

19j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1979

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