Seiko Cal. 3812 - 805

The 3812-805 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3812 caliber with 32j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-78184612b277]

Also known as: Crown, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

11.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1973

Related Models

• Seiko 7125-487
• Seiko 5676-728
• Seiko 4523-561
• Seiko 4531-763
• Seiko 5222-238
• Seiko 4520-727
• Seiko 6157-997
• Seiko 0782-870
• Seiko 7094-218
• Seiko 5680-358
• Seiko 6370-604
• Seiko 6198-134