Seiko Cal. 3857 - 580

The 3857-580 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3857 caliber with 28j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-67442e525fd6]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

12.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

White

Jewels

28j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1983

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