Seiko Cal. 6636 - 285

This Automatic model from 1978 features a 38mm Two-Tone case. It features a Champagne dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-c01644d9c190]

Also known as: Helmet, Silverwave

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

8.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

70m

Dial Color

Champagne

Jewels

33j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1978

Related Models

• Seiko 6254-788
• Seiko 6353-132
• Seiko 4433-548
• Seiko 6633-882
• Seiko 6124-608
• Seiko 5625-711
• Seiko 3866-912
• Seiko 7075-948
• Seiko 6125-442
• Seiko 5634-299
• Seiko 6191-742
• Seiko 3852-772