Seiko Cal. 6389 - 720

Seiko 6389-720

The 6389-720 is a sought-after Automatic piece from Seiko's golden era. It features a Navy dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-6d89f0d3f074]

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
13.5mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
70m
Dial Color
Navy
Jewels
30j
Frequency
21,600 bph
Power Reserve
53 hours
Year
1976

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