Seiko Cal. 3863 - 503

The Seiko 3863-503 represents an important milestone in Seiko's 1975 lineup. It features a Black dial protected by a Acrylic crystal and offers 130m of water resistance. [seikata-wm-d8d7e0e0ec4e]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

34mm

Case Thickness

14.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

130m

Dial Color

Black

Jewels

34j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1975

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