Seiko Cal. 6390 - 475

Released in 1990, the Cal. 6390 with design code 475 was part of Seiko's domestic market collection. It features a Navy dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-d1430edc49ad]

Also known as: Rally, Crown

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

37mm

Case Thickness

9.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Navy

Jewels

20j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1990

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