Seiko Cal. 6689 - 918

This Spring Drive model from 1985 features a 39mm Gold-Plated case. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-ef10985dbdcd]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

9.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Burgundy

Jewels

21j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1985

Related Models

• Seiko 4546-806
• Seiko 7015-486
• Seiko 6141-132
• Seiko 5264-124
• Seiko 6316-225
• Seiko 4569-594
• Seiko 3877-582
• Seiko 6218-780
• Seiko 6293-154
• Seiko 6691-235
• Seiko 6171-802
• Seiko 6255-906