Seiko Cal. 3859 - 440

The 3859-440 is a sought-after Automatic piece from Seiko's golden era. It features a Black dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-6a5207235669]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

45mm

Case Thickness

11.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

80m

Dial Color

Black

Jewels

29j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1973

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