Seiko Cal. 3859 - 688

The 3859-688 is a sought-after Spring Drive piece from Seiko's golden era. It features a Burgundy dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-78a76746c3db]

Also known as: Helmet, Navigator

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

11.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

30m

Dial Color

Burgundy

Jewels

20j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1980

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