Seiko Cal. 5687 - 923

Seiko 5687-923

The 5687-923 is a sought-after Solar piece from Seiko's golden era. Powered by the 5687 caliber with 36j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-e6eee062d9c5]

Also known as: Samurai, Emperor

Specifications

Movement
Solar
Case Material
Gold-Plated
Case Width
38mm
Case Thickness
12.5mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
30m
Dial Color
Burgundy
Jewels
36j
Frequency
28,800 bph
Power Reserve
37 hours
Year
1980

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