Seiko Cal. 6630 - 841

The Seiko 6630-841 represents an important milestone in Seiko's 1975 lineup. Powered by the 6630 caliber with 29j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-dc9abe55e2c4]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

41mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Silver

Jewels

29j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1975

Related Models

• Seiko 7037-864
• Seiko 6136-235
• Seiko 6298-360
• Seiko 6150-159
• Seiko 6247-769
• Seiko 6687-799
• Seiko 7132-514
• Seiko 5674-805
• Seiko 7128-747
• Seiko 0742-459
• Seiko 6331-961
• Seiko 6669-681