Seiko Cal. 3831 - 692

The Seiko 3831-692 represents an important milestone in Seiko's 1985 lineup. Powered by the 3831 caliber with 33j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-365db15f90ad]

Also known as: UFO, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

9.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Cream

Jewels

33j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1985

Related Models

• Seiko 6190-723
• Seiko 3897-172
• Seiko 0740-290
• Seiko 5692-665
• Seiko 6246-373
• Seiko 6243-478
• Seiko 7021-745
• Seiko 5251-745
• Seiko 4420-759
• Seiko 5634-151
• Seiko 6161-906
• Seiko 4534-273