Seiko Cal. 6220 - 306

This Automatic model from 1971 features a 40mm PVD Black case. It features a Black dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-89cfdb634216]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

15.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Black

Jewels

33j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1971

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