Seiko Cal. 6661 - 679

This Solar model from 1981 features a 45mm Titanium case. It features a Burgundy dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-8a232cc4b41f]

Also known as: Monster

Specifications

Movement

Solar

Case Material

Titanium

Case Width

45mm

Case Thickness

13.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

70m

Dial Color

Burgundy

Jewels

29j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1981

Related Models

• Seiko 4463-991
• Seiko 6240-298
• Seiko 5277-553
• Seiko 5618-628
• Seiko 7022-270
• Seiko 7135-484
• Seiko 4493-528
• Seiko 6246-624
• Seiko 4412-770
• Seiko 6325-786
• Seiko 7152-546
• Seiko 6613-519