Seiko Cal. 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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