Seiko Cal. 6657 - 571

The Seiko 6657-571 represents an important milestone in Seiko's 1989 lineup. The Fixed bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-fb0fcaafcd58]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

14.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

White

Jewels

29j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1989

Related Models

• Seiko 6266-964
• Seiko 6281-737
• Seiko 7132-647
• Seiko 3855-771
• Seiko 4517-468
• Seiko 4452-387
• Seiko 4593-183
• Seiko 7020-621
• Seiko 6298-720
• Seiko 7147-419
• Seiko 6185-829
• Seiko 0749-119