Seiko Cal. 6166 - 291

Released in 1974, the Cal. 6166 with design code 291 was part of Seiko's domestic market collection. Powered by the 6166 caliber with 36j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-ca180d0291eb]

Also known as: Helmet, Emperor

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

12.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Champagne

Jewels

36j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1974

Related Models

• Seiko 6260-229
• Seiko 7039-432
• Seiko 5286-943
• Seiko 7124-645
• Seiko 6295-209
• Seiko 3868-818
• Seiko 3827-799
• Seiko 7085-224
• Seiko 4419-458
• Seiko 0787-682
• Seiko 6244-412
• Seiko 4523-237