Seiko Cal. 6634 - 436

The 6634-436 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6634 caliber with 23j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-05266212bc08]

Also known as: Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

35mm

Case Thickness

15.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1979

Related Models

• Seiko 5295-596
• Seiko 7081-441
• Seiko 3892-192
• Seiko 4546-293
• Seiko 6368-521
• Seiko 6231-224
• Seiko 7157-166
• Seiko 6399-467
• Seiko 4479-779
• Seiko 7112-142
• Seiko 3826-112
• Seiko 6264-917