Seiko Cal. 4525 - 427

The 4525-427 is a sought-after Quartz piece from Seiko's golden era. It features a Cream dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-5e71bb1fd4eb]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

13.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Cream

Jewels

26j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1975

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