Seiko Cal. 3829 - 635

The 3829-635 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3829 caliber with 18j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-85583ca11bb2]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

10.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

190m

Dial Color

Navy

Jewels

18j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1985

Related Models

• Seiko 5627-862
• Seiko 5290-808
• Seiko 4535-238
• Seiko 7135-873
• Seiko 0772-546
• Seiko 3817-215
• Seiko 7078-296
• Seiko 3840-136
• Seiko 6142-156
• Seiko 6181-565
• Seiko 7088-367
• Seiko 3837-839