Seiko Cal. 4521 - 479

The 4521-479 is a sought-after Spring Drive piece from Seiko's golden era. It features a White dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-69615157e66d]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

110m

Dial Color

White

Jewels

34j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1998

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