Seiko Cal. 6635 - 570

This Spring Drive model from 1968 features a 36mm Gold-Plated case. It features a Green dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-0a7c92c955a2]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

10.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Green

Jewels

26j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1968

Related Models

• Seiko 6649-351
• Seiko 5267-639
• Seiko 7178-333
• Seiko 6621-460
• Seiko 4414-755
• Seiko 6323-877
• Seiko 6384-687
• Seiko 3897-654
• Seiko 6269-339
• Seiko 6165-943
• Seiko 7171-309
• Seiko 6394-542