Seiko Cal. 7187 - 831

Seiko 7187-831

The Seiko 7187-831 represents an important milestone in Seiko's 1981 lineup. Powered by the 7187 caliber with 32j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-a6dc471a4055]

Also known as: Rally, Golden Tuna

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
36mm
Case Thickness
13.8mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
100m
Dial Color
Cream
Jewels
32j
Frequency
36,000 bph
Power Reserve
66 hours
Year
1981

Related Models

seikata-wm-a6dc471a4055