Seiko Cal. 6693 - 863

The 6693-863 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6693 caliber with 25j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-2d43d8f86475]

Also known as: Sumo, Crown

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

8.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Black

Jewels

25j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1968

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