Seiko Cal. 6220 - 820

The Seiko 6220-820 represents an important milestone in Seiko's 1966 lineup. Powered by the 6220 caliber with 23j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-b21b2165293a]

Also known as: Silverwave

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

12.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

60m

Dial Color

Green

Jewels

23j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1966

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