Seiko Cal. 6621 - 924

Released in 1973, the Cal. 6621 with design code 924 was part of Seiko's domestic market collection. With its 21mm lug width and 12.4mm profile, it sits comfortably on most wrists. [seikata-wm-ec075254bfbe]

Also known as: Monster, Arnie

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

12.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Black

Jewels

23j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1973

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