Seiko Cal. 6630 - 956

Released in 1975, the Cal. 6630 with design code 956 was part of Seiko's domestic market collection. It features a Navy dial protected by a Acrylic crystal and offers 120m of water resistance. [seikata-wm-239b0e4d419e]

Also known as: Rally

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

9.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Navy

Jewels

31j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1975

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