Seiko Cal. 6666 - 699

The 6666-699 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6666 caliber with 21j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-b52c887fccb1]

Also known as: Monster, Arnie

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

15.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

90m

Dial Color

Burgundy

Jewels

21j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1997

Related Models

• Seiko 4560-400
• Seiko 7197-398
• Seiko 6630-317
• Seiko 4416-220
• Seiko 3872-805
• Seiko 4587-544
• Seiko 6189-545
• Seiko 6612-299
• Seiko 7022-615
• Seiko 4451-606
• Seiko 5259-212
• Seiko 0743-272