Seiko Cal. 6688 - 651

The Seiko 6688-651 represents an important milestone in Seiko's 1979 lineup. It features a White dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-26362479630f]

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

38mm

Case Thickness

9.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

White

Jewels

20j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1979

Related Models

• Seiko 0775-669
• Seiko 6188-807
• Seiko 4468-244
• Seiko 0780-154
• Seiko 5647-901
• Seiko 0746-826
• Seiko 3868-919
• Seiko 5278-707
• Seiko 5620-253
• Seiko 7193-196
• Seiko 0762-909
• Seiko 7148-307