Seiko Cal. 6657 - 162

The Seiko 6657-162 represents an important milestone in Seiko's 1973 lineup. It features a Champagne dial protected by a Acrylic crystal and offers 130m of water resistance. [seikata-wm-e8b20fa1ae1e]

Also known as: Sumo, Sportsmatic

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

41mm

Case Thickness

15.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

130m

Dial Color

Champagne

Jewels

18j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1973

Related Models

• Seiko 0719-943
• Seiko 5290-936
• Seiko 6232-778
• Seiko 0753-570
• Seiko 0739-986
• Seiko 7093-757
• Seiko 5657-709
• Seiko 6389-482
• Seiko 6388-888
• Seiko 0770-866
• Seiko 7023-174
• Seiko 6172-310