Seiko Cal. 3811 - 820

Released in 1986, the Cal. 3811 with design code 820 was part of Seiko's domestic market collection. With its 21mm lug width and 15.3mm profile, it sits comfortably on most wrists. [seikata-wm-68b16d5ff3ba]

Also known as: Tuna, Pogue

Specifications

Movement

Solar

Case Material

Titanium

Case Width

40mm

Case Thickness

15.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

Green

Jewels

30j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1986

Related Models

• Seiko 7151-737
• Seiko 0746-802
• Seiko 7045-641
• Seiko 5696-617
• Seiko 4431-825
• Seiko 7193-950
• Seiko 3875-850
• Seiko 0768-986
• Seiko 4430-704
• Seiko 4589-669
• Seiko 7111-102
• Seiko 6635-342