Seiko Cal. 6630 - 422

The Seiko 6630-422 represents an important milestone in Seiko's 1987 lineup. Powered by the 6630 caliber with 27j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-cb9cfbc1d031]

Also known as: Rally

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

15.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Navy

Jewels

27j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1987

Related Models

• Seiko 0786-368
• Seiko 7021-762
• Seiko 6326-655
• Seiko 6350-788
• Seiko 7014-312
• Seiko 6652-309
• Seiko 0751-769
• Seiko 6682-291
• Seiko 0753-884
• Seiko 6656-599
• Seiko 4572-289
• Seiko 5261-381