Seiko Cal. 6688 - 902

The 6688-902 is a sought-after Quartz piece from Seiko's golden era. It features a Silver dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-8a4f293ba5fd]

Also known as: Goldfeather, Sportsmatic

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

46mm

Case Thickness

14.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Silver

Jewels

36j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1981

Related Models

• Seiko 3828-290
• Seiko 6353-814
• Seiko 6249-661
• Seiko 5694-342
• Seiko 6616-992
• Seiko 6215-843
• Seiko 6146-567
• Seiko 7110-612
• Seiko 6232-633
• Seiko 4527-851
• Seiko 7114-278
• Seiko 4452-626