Seiko Cal. 5654 - 831

The 5654-831 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5654 caliber with 20j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-713ccf332094]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

15.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

80m

Dial Color

Champagne

Jewels

20j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1982

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