Seiko Cal. 4448 - 453

This Hand-Winding model from 1969 features a 34mm Hardlex-Coated Steel case. Powered by the 4448 caliber with 24j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-38fb5f2d33fd]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

9.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

150m

Dial Color

Black

Jewels

24j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1969

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