Seiko Cal. 6186 - 399

The 6186-399 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6186 caliber with 27j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-270a1acac5bf]

Also known as: Sumo, UFO

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

9.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1968

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