Seiko Cal. 4537 - 524

The 4537-524 is a sought-after Spring Drive piece from Seiko's golden era. It features a Navy dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-63a2e7df5e6b]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

70m

Dial Color

Navy

Jewels

22j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1966

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