Seiko Cal. 6620 - 862

The Seiko 6620-862 represents an important milestone in Seiko's 1970 lineup. It features a Green dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-b6be7c32f3e5]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Green

Jewels

19j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1970

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