Seiko Cal. 6390 - 442

Seiko 6390-442

The Seiko 6390-442 represents an important milestone in Seiko's 1984 lineup. It features a Silver dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-79b79f0bb996]

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
10.0mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
70m
Dial Color
Silver
Jewels
18j
Frequency
21,600 bph
Power Reserve
36 hours
Year
1984

Related Models

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