Seiko Cal. 6620 - 482

The 6620-482 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6620 caliber with 31j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-ad85092ffc1d]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

12.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1981

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