Seiko Cal. 4577 - 540

This Automatic model from 1972 features a 45mm Hardlex-Coated Steel case. It features a Black dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-e65e6d23aa96]

Also known as: Panda, Baby Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

15.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Black

Jewels

34j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1972

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