Seiko Cal. 4536 - 603

The 4536-603 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4536 caliber with 21j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-732412fa480c]

Also known as: UFO, Silverwave

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

14.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

180m

Dial Color

Green

Jewels

21j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1986

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