Seiko Cal. 3884 - 663

Seiko 3884-663

The 3884-663 is a sought-after Spring Drive piece from Seiko's golden era. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-4fa9b8214674]

Also known as: Sumo, Crown

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
44mm
Case Thickness
13.4mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
70m
Dial Color
Blue Sunburst
Jewels
34j
Frequency
28,800 bph
Power Reserve
59 hours
Year
1985

Related Models

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