Seiko Cal. 6693 - 643

The 6693-643 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6693 caliber with 23j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-0cc53fba3c2f]

Also known as: Tuna, Arnie

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

15.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

70m

Dial Color

Green

Jewels

23j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1970

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