Seiko Cal. 3859 - 730

The 3859-730 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3859 caliber with 27j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-134ec78ee70f]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

15.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Cream

Jewels

27j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1987

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