Seiko Cal. 4450 - 903

This Automatic model from 1972 features a 40mm PVD Black case. Powered by the 4450 caliber with 17j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-1605f6a69bab]

Also known as: Bellmatic, Emperor

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

14.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Burgundy

Jewels

17j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1972

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