Seiko Cal. 3831 - 739

This Hand-Winding model from 1999 features a 39mm Stainless Steel case. The Fixed bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-5a68ffa4f6b2]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

14.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

Champagne

Jewels

34j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1999

Related Models

• Seiko 3881-439
• Seiko 4420-472
• Seiko 6317-253
• Seiko 6663-580
• Seiko 4499-828
• Seiko 5295-150
• Seiko 7137-861
• Seiko 7055-546
• Seiko 6136-140
• Seiko 4588-588
• Seiko 7015-537
• Seiko 6115-145