Seiko Cal. 3812 - 690

This Kinetic model from 1968 features a 44mm Stainless Steel case. Powered by the 3812 caliber with 22j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-4ea93711c7e4]

Also known as: Bullhead

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

8.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Silver

Jewels

22j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1968

Related Models

• Seiko 5287-125
• Seiko 6239-511
• Seiko 0738-934
• Seiko 6135-477
• Seiko 5265-220
• Seiko 7071-257
• Seiko 5266-158
• Seiko 4583-393
• Seiko 3848-832
• Seiko 4491-430
• Seiko 4421-444
• Seiko 4556-605