Seiko Cal. 4448 - 800

This Hand-Winding model from 1970 features a 36mm PVD Black case. Powered by the 4448 caliber with 23j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-e550de3c33f2]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

36mm

Case Thickness

9.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

60m

Dial Color

Black

Jewels

23j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1970

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