Seiko Cal. 6390 - 206

The 6390-206 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6390 caliber with 20j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-771dc1c95c96]

Also known as: Monster

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

42mm

Case Thickness

8.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Burgundy

Jewels

20j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1986

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