Seiko Cal. 4577 - 729

The Seiko 4577-729 represents an important milestone in Seiko's 1978 lineup. It features a White dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-177928e85321]

Also known as: Turtle, Monster

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

12.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

70m

Dial Color

White

Jewels

21j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1978

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