Seiko Cal. 6687 - 581

This Spring Drive model from 1965 features a 39mm Titanium case. It features a Champagne dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-364653712011]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

10.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Champagne

Jewels

18j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1965

Related Models

• Seiko 0726-705
• Seiko 7166-227
• Seiko 6666-766
• Seiko 6191-868
• Seiko 6655-774
• Seiko 6316-392
• Seiko 3816-402
• Seiko 6133-902
• Seiko 6110-457
• Seiko 5611-837
• Seiko 5253-186
• Seiko 0734-216