Seiko Cal. 6187 - 731

Seiko 6187-731

The Seiko 6187-731 represents an important milestone in Seiko's 1985 lineup. Powered by the 6187 caliber with 21j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-1f4e6c2731d9]

Also known as: Panda, Golden Tuna

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
35mm
Case Thickness
11.8mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
180m
Dial Color
Silver
Jewels
21j
Frequency
28,800 bph
Power Reserve
64 hours
Year
1985

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