Seiko Cal. 3864 - 657

The Seiko 3864-657 represents an important milestone in Seiko's 1979 lineup. It features a White dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-b3f72d659a70]

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

36mm

Case Thickness

11.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

80m

Dial Color

White

Jewels

35j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1979

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