Seiko Cal. 4531 - 584

Seiko 4531-584

The Seiko 4531-584 represents an important milestone in Seiko's 1970 lineup. Powered by the 4531 caliber with 24j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-98cdb2743f23]

Also known as: Bullhead, UFO

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
44mm
Case Thickness
9.4mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
180m
Dial Color
White
Jewels
24j
Frequency
21,600 bph
Power Reserve
62 hours
Year
1970

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