Seiko Cal. 6630 - 964

Released in 1976, the Cal. 6630 with design code 964 was part of Seiko's domestic market collection. It features a White dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-e17eda1ebd04]

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

44mm

Case Thickness

13.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

White

Jewels

23j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1976

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