Seiko Cal. 6650 - 767

The 6650-767 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6650 caliber with 26j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-cf6d2d9cb0be]

Also known as: Baby Tuna, Emperor

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

12.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Green

Jewels

26j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1981

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