Seiko Cal. 3831 - 511

This Hand-Winding model from 1986 features a 39mm PVD Black case. With its 18mm lug width and 13.6mm profile, it sits comfortably on most wrists. [seikata-wm-27cfd5323dd4]

Also known as: World Timer, Navigator

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

13.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

130m

Dial Color

Black

Jewels

33j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1986

Related Models

• Seiko 6186-947
• Seiko 5644-983
• Seiko 7132-312
• Seiko 6356-759
• Seiko 0711-960
• Seiko 7046-211
• Seiko 0768-263
• Seiko 6121-246
• Seiko 4450-225
• Seiko 6281-420
• Seiko 3889-631
• Seiko 3817-956