Seiko Cal. 6660 - 154

The 6660-154 is a sought-after Spring Drive piece from Seiko's golden era. The Bidirectional bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-72732449bf07]

Also known as: Bellmatic, Emperor

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

10.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Cream

Jewels

17j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1980

Related Models

• Seiko 6356-381
• Seiko 6296-229
• Seiko 7061-477
• Seiko 7153-582
• Seiko 5692-488
• Seiko 6246-234
• Seiko 3884-868
• Seiko 7052-588
• Seiko 6352-117
• Seiko 7137-526
• Seiko 5640-182
• Seiko 6695-519