Seiko Cal. 6299 - 668

The 6299-668 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6299 caliber with 21j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-c51231c4c71d]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

13.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1987

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