Seiko Cal. 4530 - 242

The 4530-242 is a sought-after Spring Drive piece from Seiko's golden era. The Bidirectional bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-3efb1cae7be0]

Also known as: Monster, World Timer

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

8.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Green

Jewels

34j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1984

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