Seiko Cal. 3863 - 440

The Seiko 3863-440 represents an important milestone in Seiko's 1974 lineup. It features a Black dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-2c761386a87e]

Also known as: Flighty

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

8.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

160m

Dial Color

Black

Jewels

25j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1974

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