Seiko Cal. 3863 - 434

The 3863-434 is a sought-after Spring Drive piece from Seiko's golden era. It features a Black dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-a6822d24d4cd]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

80m

Dial Color

Black

Jewels

34j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1978

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