Seiko Cal. 6618 - 584

Seiko 6618-584

The 6618-584 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6618 caliber with 20j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-3d8bad352c4e]

Also known as: Sumo, UFO

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
35mm
Case Thickness
12.9mm
Lug Width
21mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
60m
Dial Color
Silver
Jewels
20j
Frequency
21,600 bph
Power Reserve
50 hours
Year
1967

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