Seiko Cal. 6620 - 603

The 6620-603 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6620 caliber with 17j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-69a3974c402d]

Also known as: Rally, Flighty

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

15.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

190m

Dial Color

Burgundy

Jewels

17j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1983

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