Seiko Cal. 4525 - 283

The Seiko 4525-283 represents an important milestone in Seiko's 1973 lineup. It features a Green dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-8f1b7a38ae70]

Also known as: World Timer, Navigator

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

10.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Green

Jewels

17j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1973

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