Seiko Cal. 4540 - 587

Released in 1969, the Cal. 4540 with design code 587 was part of Seiko's domestic market collection. Powered by the 4540 caliber with 21j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-9f3bb958428d]

Also known as: Pogue, Arnie

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

35mm

Case Thickness

9.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1969

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