Seiko Cal. 6699 - 228

This Spring Drive model from 1970 features a 37mm PVD Black case. Powered by the 6699 caliber with 20j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-347e371c668a]

Also known as: Bullhead, Rally

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

15.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Champagne

Jewels

20j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1970

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