Seiko Cal. 6661 - 689

The Seiko 6661-689 represents an important milestone in Seiko's 1990 lineup. It features a Navy dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-6b95816e11d7]

Also known as: Flighty

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

8.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Navy

Jewels

17j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1990

Related Models

• Seiko 6350-217
• Seiko 3889-886
• Seiko 5278-766
• Seiko 4412-490
• Seiko 5299-823
• Seiko 6345-308
• Seiko 7078-306
• Seiko 4535-881
• Seiko 6125-293
• Seiko 4540-825
• Seiko 6161-376
• Seiko 5230-432