Seiko Cal. 6390 - 840

The 6390-840 is a sought-after Solar piece from Seiko's golden era. With its 19mm lug width and 11.7mm profile, it sits comfortably on most wrists. [seikata-wm-fa682cf277b1]

Also known as: Silverwave

Specifications

Movement

Solar

Case Material

Titanium

Case Width

42mm

Case Thickness

11.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1970

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