Seiko Cal. 3859 - 540

The 3859-540 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3859 caliber with 33j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-08ca19351135]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

14.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Green

Jewels

33j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1971

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