Seiko Cal. 3868 - 666

Released in 1973, the Cal. 3868 with design code 666 was part of Seiko's domestic market collection. Powered by the 3868 caliber with 32j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-61382776c6c7]

Also known as: Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

12.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Cream

Jewels

32j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1973

Related Models

• Seiko 3875-821
• Seiko 6142-430
• Seiko 0716-140
• Seiko 6677-144
• Seiko 6387-943
• Seiko 0713-842
• Seiko 6354-820
• Seiko 6672-672
• Seiko 7173-681
• Seiko 0714-640
• Seiko 6335-896
• Seiko 7156-707