Seiko Cal. 6653 - 661

The Seiko 6653-661 represents an important milestone in Seiko's 1968 lineup. Powered by the 6653 caliber with 22j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-92775ab7eacd]

Also known as: Monster, Silverwave

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

12.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Black

Jewels

22j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1968

Related Models

• Seiko 6319-437
• Seiko 3864-340
• Seiko 3824-535
• Seiko 5664-944
• Seiko 6237-625
• Seiko 6659-306
• Seiko 6149-233
• Seiko 7083-863
• Seiko 4459-940
• Seiko 6615-129
• Seiko 6641-117
• Seiko 4536-642