Seiko Cal. 6620 - 775

Released in 1967, the Cal. 6620 with design code 775 was part of Seiko's domestic market collection. It features a Black dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-42d1b38fb683]

Also known as: Rally, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

34mm

Case Thickness

9.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

Black

Jewels

35j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1967

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