Seiko Cal. 6657 - 302

This Spring Drive model from 1990 features a 34mm PVD Black case. The Inner Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-d9aad253c996]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

10.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

24j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1990

Related Models

• Seiko 4473-794
• Seiko 5673-428
• Seiko 6163-196
• Seiko 3881-682
• Seiko 7079-955
• Seiko 7118-974
• Seiko 6185-550
• Seiko 6296-508
• Seiko 7076-779
• Seiko 5674-111
• Seiko 5247-706
• Seiko 5237-538