Seiko Cal. 6620 - 699

Released in 1990, the Cal. 6620 with design code 699 was part of Seiko's domestic market collection. The Coin-Edge bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-42cb73eff937]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

14.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Green

Jewels

21j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1990

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