Seiko Cal. 3884 - 521

Released in 1987, the Cal. 3884 with design code 521 was part of Seiko's domestic market collection. It features a Black dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-070f688aa3a2]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

10.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Black

Jewels

28j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1987

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