Seiko Cal. 6390 - 873

The 6390-873 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6390 caliber with 35j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-09fe18167ab6]

Also known as: Sumo, Rally

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

38mm

Case Thickness

13.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

160m

Dial Color

Silver

Jewels

35j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1990

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