Seiko Cal. 4570 - 821

The Seiko 4570-821 represents an important milestone in Seiko's 1987 lineup. It features a Navy dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-e6973a5d4638]

Also known as: Bullhead, Helmet

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

35mm

Case Thickness

10.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Navy

Jewels

34j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1987

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