Seiko Cal. 4524 - 521

The Seiko 4524-521 represents an important milestone in Seiko's 1975 lineup. It features a White dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-99ef5e62bc62]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

11.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

White

Jewels

24j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1975

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