Seiko Cal. 6620 - 820

Released in 1968, the Cal. 6620 with design code 820 was part of Seiko's domestic market collection. It features a Burgundy dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-2f30fec76ebd]

Also known as: Golden Tuna, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

34mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

90m

Dial Color

Burgundy

Jewels

26j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1968

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