Seiko Cal. 3811 - 100

The Seiko 3811-100 represents an important milestone in Seiko's 1978 lineup. With its 20mm lug width and 14.5mm profile, it sits comfortably on most wrists. [seikata-wm-2a32cf9b1938]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Titanium

Case Width

37mm

Case Thickness

14.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1978

Related Models

• Seiko 7146-646
• Seiko 4562-226
• Seiko 5617-827
• Seiko 0712-407
• Seiko 0759-460
• Seiko 6183-914
• Seiko 7154-605
• Seiko 7174-568
• Seiko 4594-677
• Seiko 6358-538
• Seiko 3834-167
• Seiko 5644-874