Seiko Cal. 6656 - 742

The 6656-742 is a sought-after Quartz piece from Seiko's golden era. It features a Green dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-fc3ca6fd033d]

Also known as: Silverwave

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

8.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Green

Jewels

17j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1985

Related Models

• Seiko 4431-162
• Seiko 6610-335
• Seiko 7041-143
• Seiko 7187-852
• Seiko 7055-408
• Seiko 6614-497
• Seiko 4596-797
• Seiko 0712-549
• Seiko 4452-950
• Seiko 7115-842
• Seiko 4540-382
• Seiko 0730-528