Seiko Cal. 6630 - 900

Released in 1967, the Cal. 6630 with design code 900 was part of Seiko's domestic market collection. It features a Silver dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-8fc2b5baf7eb]

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

14.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Silver

Jewels

32j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1967

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