Seiko Cal. 6635 - 429

The 6635-429 is a sought-after Solar piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-c9f980ba3261]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Titanium

Case Width

42mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1980

Related Models

• Seiko 6333-619
• Seiko 0737-368
• Seiko 4557-790
• Seiko 0791-127
• Seiko 6338-685
• Seiko 6225-808
• Seiko 3886-821
• Seiko 5617-799
• Seiko 3834-186
• Seiko 5216-697
• Seiko 0767-913
• Seiko 4483-355