Seiko Cal. 6621 - 856

The 6621-856 is a sought-after Spring Drive piece from Seiko's golden era. With its 22mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-9e123e35aaa2]

Also known as: Bellmatic, Emperor

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Green

Jewels

32j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1975

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