Seiko Cal. 6688 - 723

The 6688-723 is a sought-after Solar piece from Seiko's golden era. The Fixed bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-b3147ffa7414]

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

8.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

Green

Jewels

36j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1986

Related Models

• Seiko 3815-238
• Seiko 7144-820
• Seiko 3892-729
• Seiko 7045-391
• Seiko 7141-955
• Seiko 5637-412
• Seiko 4513-486
• Seiko 4527-975
• Seiko 3889-880
• Seiko 6139-828
• Seiko 6246-389
• Seiko 5699-256