Seiko Cal. 6391 - 600

Seiko 6391-600

The 6391-600 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Black dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-e769e58d788e]

Also known as: Monster, Sportsmatic

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
38mm
Case Thickness
14.6mm
Lug Width
19mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
150m
Dial Color
Black
Jewels
18j
Frequency
28,800 bph
Power Reserve
58 hours
Year
1988

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