Seiko Cal. 0766 - 693

The 0766-693 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 0766 caliber with 29j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-2b1095330f13]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

10.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

50m

Dial Color

Black

Jewels

29j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1987

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