Seiko Cal. 4572 - 721

The Seiko 4572-721 represents an important milestone in Seiko's 1971 lineup. It features a Burgundy dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-7f5937142e2c]

Also known as: Tuna, Silverwave

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

35mm

Case Thickness

11.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Burgundy

Jewels

31j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1971

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