Seiko Cal. 6620 - 503

Released in 1998, the Cal. 6620 with design code 503 was part of Seiko's domestic market collection. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-f7ba6ac030d7]

Also known as: Sportsmatic, Navigator

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

8.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1998

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