Seiko Cal. 6387 - 711

Seiko 6387-711

The 6387-711 is a sought-after Spring Drive piece from Seiko's golden era. It features a Black dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-cf3b1b9f1f13]

Also known as: Bullhead, Silverwave

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
43mm
Case Thickness
13.0mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
130m
Dial Color
Black
Jewels
18j
Frequency
28,800 bph
Power Reserve
46 hours
Year
1969

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