Seiko Cal. 0766 - 318

The Seiko 0766-318 represents an important milestone in Seiko's 1973 lineup. Powered by the 0766 caliber with 22j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-be71bee745ed]

Also known as: Bellmatic, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

14.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Green

Jewels

22j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1973

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