Seiko Cal. 6390 - 472

The Seiko 6390-472 represents an important milestone in Seiko's 1986 lineup. It features a Black dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-4e4d5ac1ab77]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

42mm

Case Thickness

9.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Black

Jewels

36j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1986

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