Seiko Cal. 7187 - 990

Seiko 7187-990

The 7187-990 is a sought-after Automatic piece from Seiko's golden era. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-30a37f7b2568]

Also known as: Monster

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
15.0mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
50m
Dial Color
Blue Sunburst
Jewels
35j
Frequency
21,600 bph
Power Reserve
60 hours
Year
1999

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seikata-wm-30a37f7b2568