Seiko Cal. 4577 - 131

This Hand-Winding model from 1987 features a 39mm Hardlex-Coated Steel case. It features a Champagne dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-6f6e5409e08e]

Also known as: Silverwave

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

9.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Champagne

Jewels

35j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1987

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