Seiko Cal. 6657 - 475

This Solar model from 1969 features a 40mm PVD Black case. With its 21mm lug width and 12.4mm profile, it sits comfortably on most wrists. [seikata-wm-f148182aaa2e]

Also known as: Shogun, Silverwave

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

40mm

Case Thickness

12.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1969

Related Models

• Seiko 6383-922
• Seiko 6695-187
• Seiko 7090-168
• Seiko 7046-343
• Seiko 5225-485
• Seiko 0735-971
• Seiko 6143-479
• Seiko 4451-254
• Seiko 7090-868
• Seiko 0740-943
• Seiko 3864-623
• Seiko 6333-578