Seiko Cal. 5251 - 405

The 5251-405 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5251 caliber with 20j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-18213ac1d7c9]

Also known as: Tuna, Emperor

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

38mm

Case Thickness

15.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

50m

Dial Color

Cream

Jewels

20j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1988

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