Seiko Cal. 6620 - 672

This Spring Drive model from 1974 features a 39mm PVD Black case. With its 20mm lug width and 10.0mm profile, it sits comfortably on most wrists. [seikata-wm-c563e862a148]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

10.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

Champagne

Jewels

21j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1974

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