Seiko Cal. 3864 - 121

The 3864-121 is a sought-after Spring Drive piece from Seiko's golden era. It features a Black dial protected by a Acrylic crystal and offers 150m of water resistance. [seikata-wm-7d9488836382]

Also known as: Goldfeather

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

11.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Black

Jewels

32j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1990

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