Seiko Cal. 0766 - 633

The Seiko 0766-633 represents an important milestone in Seiko's 1971 lineup. Powered by the 0766 caliber with 26j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-65616cf61df8]

Also known as: World Timer, Arnie

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

11.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

26j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1971

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