Seiko Cal. 6390 - 990

The Seiko 6390-990 represents an important milestone in Seiko's 1998 lineup. It features a Silver dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-165e7a43ded3]

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

40m

Dial Color

Silver

Jewels

33j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1998

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