Seiko Cal. 3864 - 326

The 3864-326 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Black dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-6e471c96a8ff]

Also known as: Helmet, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

15.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Black

Jewels

18j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1969

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