Seiko Cal. 4525 - 351

The Seiko 4525-351 represents an important milestone in Seiko's 1965 lineup. It features a Black dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-108b766eac85]

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

8.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

110m

Dial Color

Black

Jewels

21j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1965

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