Seiko Cal. 4575 - 721

The Seiko 4575-721 represents an important milestone in Seiko's 1965 lineup. It features a Black dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-d5b0da72300a]

Also known as: Monster

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

11.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Black

Jewels

25j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1965

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