Seiko Cal. 6390 - 904

The 6390-904 is a sought-after Quartz piece from Seiko's golden era. It features a Cream dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-7642ff1f8cc9]

Also known as: UFO, Crown

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

130m

Dial Color

Cream

Jewels

35j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1989

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