Seiko Cal. 6628 - 470

Released in 1966, the Cal. 6628 with design code 470 was part of Seiko's domestic market collection. It features a Green dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-e02ad88a65ba]

Also known as: Baby Tuna, Arnie

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

9.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

50m

Dial Color

Green

Jewels

24j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1966

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