Seiko Cal. 3840 - 855

The Seiko 3840-855 represents an important milestone in Seiko's 1981 lineup. It features a Black dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-0e529e632c9c]

Also known as: Rally

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

10.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Black

Jewels

26j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1981

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