Seiko Cal. 0766 - 630

The 0766-630 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 0766 caliber with 26j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-f7da11f7b9f9]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1989

Related Models

• Seiko 7171-368
• Seiko 4577-616
• Seiko 5638-610
• Seiko 3895-936
• Seiko 3899-137
• Seiko 7044-437
• Seiko 4475-122
• Seiko 7178-569
• Seiko 5629-253
• Seiko 6154-393
• Seiko 6193-782
• Seiko 0713-770