Seiko Cal. 6620 - 370

The 6620-370 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6620 caliber with 22j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-f7db6b3597f5]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

9.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Green

Jewels

22j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1997

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