Seiko Cal. 6686 - 694

The 6686-694 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6686 caliber with 26j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-ec12f2a3dc6e]

Also known as: Bellmatic, Navigator

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

8.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Navy

Jewels

26j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1973

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