Seiko Cal. 4537 - 603

The 4537-603 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4537 caliber with 27j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-39ae79d2f723]

Also known as: Silverwave, World Timer

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

13.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

White

Jewels

27j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1987

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