Seiko Cal. 7187 - 591

Seiko 7187-591

The 7187-591 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Burgundy dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-0517362b6fdf]

Also known as: Monster, Bullhead

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
42mm
Case Thickness
14.4mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
50m
Dial Color
Burgundy
Jewels
34j
Frequency
36,000 bph
Power Reserve
39 hours
Year
1979

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