Seiko Cal. 6620 - 974

The Seiko 6620-974 represents an important milestone in Seiko's 1991 lineup. With its 20mm lug width and 8.8mm profile, it sits comfortably on most wrists. [seikata-wm-95222be84164]

Also known as: Bellmatic, Emperor

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

40mm

Case Thickness

8.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

40m

Dial Color

Black

Jewels

36j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1991

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