Seiko Cal. 6657 - 911

The 6657-911 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6657 caliber with 34j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-83b4e935a126]

Also known as: World Timer, Emperor

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

15.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Navy

Jewels

34j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1970

Related Models

• Seiko 7133-140
• Seiko 6261-351
• Seiko 6378-663
• Seiko 0797-128
• Seiko 3835-735
• Seiko 5689-336
• Seiko 6180-391
• Seiko 4575-240
• Seiko 5655-713
• Seiko 5670-485
• Seiko 4596-975
• Seiko 7038-294