Seiko Cal. 3812 - 831

The 3812-831 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Cream dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-45225082d360]

Also known as: Monster, Helmet

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

15.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Cream

Jewels

23j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1993

Related Models

• Seiko 5240-773
• Seiko 7138-431
• Seiko 4573-505
• Seiko 3875-441
• Seiko 7047-743
• Seiko 0719-235
• Seiko 5270-964
• Seiko 6323-283
• Seiko 4485-990
• Seiko 7091-510
• Seiko 6183-104
• Seiko 6125-818