Seiko Cal. 5657 - 391

The Seiko 5657-391 represents an important milestone in Seiko's 1965 lineup. Powered by the 5657 caliber with 34j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-bf98a06a2c36]

Also known as: Rally

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

34mm

Case Thickness

9.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

80m

Dial Color

Champagne

Jewels

34j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1965

Related Models

• Seiko 7177-870
• Seiko 3835-668
• Seiko 5240-511
• Seiko 7026-894
• Seiko 6198-815
• Seiko 7173-304
• Seiko 4586-586
• Seiko 4596-485
• Seiko 4433-193
• Seiko 5682-331
• Seiko 6665-574
• Seiko 0744-530