Seiko Cal. 6378 - 523

Seiko 6378-523

The 6378-523 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6378 caliber with 32j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-5f81df3fcbae]

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
45mm
Case Thickness
8.5mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
130m
Dial Color
Navy
Jewels
32j
Frequency
21,600 bph
Power Reserve
40 hours
Year
1973

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