Seiko Cal. 4521 - 431

This Automatic model from 1989 features a 42mm PVD Black case. Powered by the 4521 caliber with 19j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-f74d56688685]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

13.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Navy

Jewels

19j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1989

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