Seiko Cal. 6630 - 470

Released in 1971, the Cal. 6630 with design code 470 was part of Seiko's domestic market collection. With its 20mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-1efe34ac5af1]

Also known as: Golden Tuna, Baby Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

43mm

Case Thickness

15.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Cream

Jewels

19j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1971

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