Seiko Cal. 6681 - 694

The 6681-694 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6681 caliber with 29j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-74b013c005e7]

Also known as: Sumo, Shogun

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

9.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Champagne

Jewels

29j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1969

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