Seiko Cal. 3863 - 128

Released in 1983, the Cal. 3863 with design code 128 was part of Seiko's domestic market collection. It features a Cream dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-681227778068]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

10.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

40m

Dial Color

Cream

Jewels

27j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1983

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