Replacement Ceramic Bezel Insert Compatible with Longines Admiral GMT 42mm L3.669.4 : Black

Restore or upgrade your GMT timepiece with this replacement ceramic bezel insert, designed for watch cases compatible with the Longines Admiral GMT 42mm L3.669.4 series. Finished in deep black ceramic with a clean GMT scale, this insert delivers a refined, modern appearance while preserving the sporty character of the Admiral GMT.

Crafted from high-quality ceramic, it offers excellent scratch resistance, long-term color stability, and a premium 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 scale layout and overall appearance are designed to look extremely close to the original style on the wrist.

(Not an OEM part and not affiliated with Longines — compatible replacement only.)

Product Specifications

• Product Type: Replacement bezel insert

• Material: Ceramic

• Color: Black

• Compatibility: Longines Admiral GMT 42mm L3.669.4

  L3.669.4.58.7
  L3.669.4.56.7
  L3.669.4.06.7
  
  

• Measurements: 42 mm (outer diameter) × 35 mm (inner diameter)

  (manufacturing tolerance ±0.1 mm)

• Function: GMT 24-hour timing scale

• Construction: Shaped according to original insert contour for proper bezel seating

• Finish: Gloss ceramic surface with crisp GMT numerals