Replacement Ceramic Bezel Insert Compatible with Longines HydroConquest GMT 43mm L3.890.4 : Blue
Restore or upgrade your GMT diver with this replacement ceramic bezel insert, designed for watch cases compatible with the Longines HydroConquest GMT 43mm L3.890.4 series. Finished in deep blue ceramic with a crisp GMT scale, this insert delivers a premium modern look while maintaining the professional tool-watch character of the HydroConquest GMT.
Crafted from high-quality ceramic, it offers excellent scratch resistance, long-term color stability, and a refined glossy finish. The insert is constructed to follow the original profile, proportions, and bezel channel seating, ensuring proper alignment and a secure fit once installed. Although this is a compatible aftermarket replacement, the layout and finish are designed to appear extremely close to the original style on the wrist.
(Not an OEM part and not affiliated with Longines — compatible replacement only.)
Product Specifications
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Product Type: Replacement bezel insert
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Material: Ceramic
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Color: Blue
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Compatibility: Longines HydroConquest GMT 43mm L3.890.4
L3.890.4.06.6
L3.890.4.56.6
L3.890.4.56.9
L3.890.4.96.6
L3.890.4.96.9
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Measurements: 38.6 mm (outer diameter) × 31.1 mm (inner diameter)
(manufacturing tolerance ±0.1 mm)
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Function: 60 Minutes Diving timing scale
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Construction: Shaped according to original insert contour for proper bezel seating
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Finish: Gloss ceramic surface with clean Diving 60 Minutes numerals