Seiko Cal. 4571 - 666

This Hand-Winding model from 1976 features a 44mm Stainless Steel case. Powered by the 4571 caliber with 27j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-d36b89e2ecb8]

Also known as: Monster

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

12.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1976

Related Models

• Seiko 6168-259
• Seiko 4459-784
• Seiko 4596-473
• Seiko 6654-547
• Seiko 6115-138
• Seiko 6244-134
• Seiko 6365-297
• Seiko 6181-860
• Seiko 5212-231
• Seiko 4436-171
• Seiko 0745-633
• Seiko 7044-951