Seiko Cal. 4521 - 420

The Seiko 4521-420 represents an important milestone in Seiko's 1988 lineup. It features a Champagne dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-2ce709a8fcdb]

Also known as: Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

14.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

120m

Dial Color

Champagne

Jewels

30j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1988

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