Seiko Cal. 6390 - 304

Seiko 6390-304

This Kinetic model from 1978 features a 42mm Hardlex-Coated Steel case. It features a White dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-2fa96948d12e]

Also known as: Arnie, Flighty

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
42mm
Case Thickness
8.9mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
140m
Dial Color
White
Jewels
17j
Frequency
28,800 bph
Power Reserve
71 hours
Year
1978

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