Seiko Cal. 6690 - 858

The 6690-858 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6690 caliber with 22j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-15391cf880e1]

Also known as: Samurai, Bullhead

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

14.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

22j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1996

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