Seiko Cal. 3859 - 840

The 3859-840 is a sought-after Spring Drive piece from Seiko's golden era. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-6070cf4ce1dc]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

9.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1992

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