Seiko Cal. 6691 - 676

This Automatic model from 1965 features a 40mm Gold-Plated case. It features a Navy dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-d4b3be687b20]

Also known as: Silverwave, Navigator

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

13.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Navy

Jewels

20j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1965

Related Models

• Seiko 6314-969
• Seiko 4584-795
• Seiko 7039-496
• Seiko 4556-528
• Seiko 6193-570
• Seiko 4411-234
• Seiko 4436-368
• Seiko 6151-267
• Seiko 0754-561
• Seiko 4597-342
• Seiko 7153-506
• Seiko 6676-966