Seiko Cal. 7187 - 644

Seiko 7187-644

The Seiko 7187-644 represents an important milestone in Seiko's 1992 lineup. The Inner Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-95ba65284f96]

Also known as: Sumo, Tuna

Specifications

Movement
Kinetic
Case Material
Gold-Plated
Case Width
43mm
Case Thickness
8.1mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
120m
Dial Color
Blue Sunburst
Jewels
30j
Frequency
36,000 bph
Power Reserve
64 hours
Year
1992

Related Models

seikata-wm-95ba65284f96