Seiko Cal. 7183 - 991

Seiko 7183-991

The 7183-991 is a sought-after Hand-Winding piece from Seiko's golden era. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-c92c6c4eacc4]

Also known as: Monster, Emperor

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
43mm
Case Thickness
12.1mm
Lug Width
18mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
50m
Dial Color
Blue Sunburst
Jewels
24j
Frequency
21,600 bph
Power Reserve
72 hours
Year
1977

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