Seiko Cal. 6677 - 423

This Quartz model from 1977 features a 35mm Hardlex-Coated Steel case. It features a Champagne dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-cef95642c022]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

13.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Champagne

Jewels

23j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1977

Related Models

• Seiko 7056-961
• Seiko 5261-393
• Seiko 6115-114
• Seiko 7117-704
• Seiko 5663-596
• Seiko 7189-982
• Seiko 4450-494
• Seiko 6176-387
• Seiko 6625-713
• Seiko 0755-530
• Seiko 6650-334
• Seiko 7084-140