Seiko Cal. 3863 - 820

The Seiko 3863-820 represents an important milestone in Seiko's 1973 lineup. The Coin-Edge bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-dd68cca38358]

Also known as: Rally, Sea Horse

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

35mm

Case Thickness

13.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

White

Jewels

26j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1973

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