Seiko Cal. 3864 - 870

The 3864-870 is a sought-after Automatic piece from Seiko's golden era. It features a Black dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-c41a0cfcc9ce]

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

11.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Black

Jewels

17j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1976

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