Seiko Cal. 4577 - 755

The Seiko 4577-755 represents an important milestone in Seiko's 1970 lineup. It features a Cream dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-9480947bff31]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

8.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

60m

Dial Color

Cream

Jewels

22j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1970

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