Seiko Cal. 6620 - 233

The 6620-233 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 11.7mm profile, it sits comfortably on most wrists. [seikata-wm-1d52c2862f35]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

11.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Green

Jewels

18j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1972

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