Seiko Cal. 3827 - 523

The 3827-523 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3827 caliber with 19j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-a7b38f3554f9]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

8.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

50m

Dial Color

White

Jewels

19j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1970

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