Seiko Cal. 6620 - 402

Released in 1969, the Cal. 6620 with design code 402 was part of Seiko's domestic market collection. The Fixed bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-f18a2ec7edf9]

Also known as: UFO, Baby Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

9.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

180m

Dial Color

Cream

Jewels

30j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1969

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