Seiko Cal. 3863 - 556

The Seiko 3863-556 represents an important milestone in Seiko's 1981 lineup. It features a Navy dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-396d12233f50]

Also known as: Baby Tuna, Flighty

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

38mm

Case Thickness

13.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

30m

Dial Color

Navy

Jewels

27j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1981

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