Seiko Cal. 3833 - 641

The Seiko 3833-641 represents an important milestone in Seiko's 1968 lineup. With its 20mm lug width and 12.3mm profile, it sits comfortably on most wrists. [seikata-wm-e2e37738711a]

Also known as: Monster, UFO

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

35mm

Case Thickness

12.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Black

Jewels

31j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1968

Related Models

• Seiko 6245-366
• Seiko 6676-716
• Seiko 3860-686
• Seiko 4535-152
• Seiko 6256-173
• Seiko 7069-125
• Seiko 5615-856
• Seiko 7112-999
• Seiko 4571-783
• Seiko 6622-214
• Seiko 5287-782
• Seiko 7132-269