Seiko Cal. 6630 - 881

Released in 1969, the Cal. 6630 with design code 881 was part of Seiko's domestic market collection. It features a Champagne dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-93fab9cd0fc4]

Also known as: Monster, Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

15.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

160m

Dial Color

Champagne

Jewels

24j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1969

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