Seiko Cal. 3863 - 932

The Seiko 3863-932 represents an important milestone in Seiko's 1984 lineup. The Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-2bc9fca7017d]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

15.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1984

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