Seiko Cal. 6284 - 843

Seiko 6284-843

The Seiko 6284-843 represents an important milestone in Seiko's 1969 lineup. Powered by the 6284 caliber with 18j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-6eb7eb22d9e5]

Also known as: Sumo, UFO

Specifications

Movement
Quartz
Case Material
PVD Black
Case Width
37mm
Case Thickness
9.8mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
110m
Dial Color
White
Jewels
18j
Frequency
21,600 bph
Power Reserve
47 hours
Year
1969

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