Seiko Cal. 6284 - 371

Seiko 6284-371

The Seiko 6284-371 represents an important milestone in Seiko's 1971 lineup. Powered by the 6284 caliber with 34j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-dd1a196e78aa]

Also known as: Sumo, Rally

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
11.7mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
100m
Dial Color
Blue Sunburst
Jewels
34j
Frequency
21,600 bph
Power Reserve
63 hours
Year
1971

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