Seiko Cal. 4536 - 507

Released in 1987, the Cal. 4536 with design code 507 was part of Seiko's domestic market collection. Powered by the 4536 caliber with 21j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-4ad3ff936b31]

Also known as: Rally, Crown

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

45mm

Case Thickness

9.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1987

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