Seiko Cal. 6284 - 721

Seiko 6284-721

The Seiko 6284-721 represents an important milestone in Seiko's 1970 lineup. Powered by the 6284 caliber with 35j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-42cd50c1395b]

Also known as: Silverwave

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
10.4mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
100m
Dial Color
Navy
Jewels
35j
Frequency
36,000 bph
Power Reserve
67 hours
Year
1970

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seikata-wm-42cd50c1395b