Seiko Cal. 7187 - 313

Seiko 7187-313

The Seiko 7187-313 represents an important milestone in Seiko's 1976 lineup. Powered by the 7187 caliber with 31j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-3888f6e05161]

Also known as: Sumo, Pogue

Specifications

Movement
Solar
Case Material
Titanium
Case Width
41mm
Case Thickness
8.2mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
50m
Dial Color
Silver
Jewels
31j
Frequency
36,000 bph
Power Reserve
36 hours
Year
1976

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seikata-wm-3888f6e05161