Seiko Cal. 6220 - 144

This Spring Drive model from 1977 features a 34mm PVD Black case. It features a Green dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-4a3709a0453a]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

14.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Green

Jewels

34j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1977

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