Seiko Cal. 0721 - 428

This Automatic model from 1978 features a 43mm PVD Black case. It features a Black dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-912ad47ac06e]

Also known as: Arnie

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

43mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

200m

Dial Color

Black

Jewels

32j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1978

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