Seiko Cal. 5635 - 523

Seiko 5635-523

The 5635-523 is a sought-after Solar piece from Seiko's golden era. Powered by the 5635 caliber with 31j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-38a25684e3f1]

Specifications

Movement
Solar
Case Material
Gold-Plated
Case Width
36mm
Case Thickness
11.2mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
120m
Dial Color
Silver
Jewels
31j
Frequency
28,800 bph
Power Reserve
39 hours
Year
1978

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