Seiko Cal. 4413 - 921

This Automatic model from 1970 features a 36mm PVD Black case. Powered by the 4413 caliber with 17j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-a6cd401fc17c]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

36mm

Case Thickness

8.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Champagne

Jewels

17j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1970

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