Seiko Cal. 3863 - 780

The 3863-780 is a sought-after Spring Drive piece from Seiko's golden era. It features a Silver dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-a16b268bc3ab]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

10.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Silver

Jewels

28j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1973

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