A. Lange & Söhne Saxonia Grand Langematik Platinum

Reference 309.025

About this watch

The A. Lange & Söhne Saxonia 309.025 Grand Langematik Platinum is a masterpiece of luxury watchmaking, boasting an automatic movement with 45 jewels and a power reserve of 46 hours. Its off-center rotor ensures efficient winding while maintaining balance, adding to the watch's aesthetic appeal. The prominent big date function provides easy tracking of the day, while the silver dial features stick and dot indexes for visibility and elegance. With a diameter of 40.50 mm and a height of 10.70 mm, this platinum beauty strikes a perfect balance between presence and wearability. Its versatility makes it suitable for both formal and casual occasions, and its exceptional movement, materials, and design elements make it a worthy investment in any serious watch collection.
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Key Features

  • A. Lange & Söhne caliber L921.4 automatic movement
  • 45 jewels and 46-hour power reserve
  • Off-center rotor for efficient winding
  • Prominent big date function for easy tracking of the day
  • Silver dial with stick and dot indexes
  • 40.50 mm diameter and 10.70 mm height
  • 20 mm lug width for strap customization

Specifications

Brand
A. Lange & Söhne
Family
Saxonia
Model
Grand Langematik Platinum
Reference
309.025
Movement
l921-4
Movement Features
  • Hours, Minutes, Small Seconds
  • Big Date
Case
40.5mm
Dial Color
Silver
Crystal
Sapphire

Current Listings

[WTS] A Lange & Sohne. Saxonia. Thinnest Auto 7.8mm. Ref: 380.027. 18K White Gold.

A Lange & Sohne. Saxonia. Thinnest Auto 7.8mm. Ref: 380.027. 18K White Gold.

A Lange & Sohne - 380.027 · $14,800
This A Lange & Sohne Saxonia is the thinnest automatic watch at 7.8mm. It features a 38.5mm case and comes with an OEM strap and gold clasp.

  • Condition: Clean overall
  • Size: 38.5mm (39mm wear)
  • Thickness: 7.8mm
Posted at
Jan 14, 2026, 8:21 PM
Active
[WTS] A Lange & Sohne Saxonia Thin

A Lange & Sohne Saxonia Thin

This A Lange & Sohne Saxonia Thin is a stunning dress watch that has barely been worn. It was purchased in 2021 and has only been taken out once to be shown off, due to the owner's preference for sports watches.

  • Condition: Like new, never worn on the wrist
  • Year Bought: 2021
Posted at
Jan 13, 2026, 10:45 PM
Active
[WTS] A Lange & Sohne. Saxonia. Thinnest Auto 7.8mm. Ref: 380.027. 18K White Gold.

A Lange & Sohne. Saxonia. Thinnest Auto 7.8mm. Ref: 380.027. 18K White Gold.

A Lange & Sohne - 380.027 · $14,900
This A Lange & Söhne Saxonia is the thinnest automatic watch at 7.8mm, featuring a 38.5mm case in 18K white gold with an OEM strap and gold clasp.

  • Condition: Very nice, Clean overall
  • Case material: 18K White Gold
  • Case diameter: 38.5mm
  • Thickness: 7.8mm
Posted at
Jan 6, 2026, 3:47 PM
Active
A. Lange & S�hne Saxonia Thin  - 201.027 - Silver - White Gold -37mm -Excellent

A. Lange & S�hne Saxonia Thin - 201.027 - Silver - White Gold -37mm -Excellent

A. Lange & Sühne - 201.027 · $13,895
A. Lange & Sühne Saxonia Thin, a manual wind watch with a silver dial and white gold case.

  • Condition: Pre-Owned - Excellent
  • Case size: 37mm diameter
  • Bracelet type: Black Leather w. White Gold Tang Buckle
  • Movement: Manual Wind
Posted at
Mar 26, 2025, 8:16 PM
Active
A. Lange & Sohne Dual Time Saxonia white gold 385.026

A. Lange & Sohne Dual Time Saxonia white gold 385.026

A. Lange & Sohne - 385.026 · $18,995
This A. Lange & Sohne Dual Time Saxonia features a 40mm case size and automatic movement.

  • Case Size: 40mm
  • Material: 18K white gold
  • Strap: black Lange strap
Posted at
Mar 19, 2025, 3:30 PM
Active
A. Lange & Sohne 307.032 Grand Saxonia in Rose Gold

A. Lange & Sohne 307.032 Grand Saxonia in Rose Gold

A. Lange & Sohne - 307032 · $14,999
The A. Lange & Sohne Grand Saxonia features a silver dial with rose gold tone index hour markers and a small seconds display at 6 o'clock. It has an automatic movement, 46-hour power reserve, and is water resistant to 30 meters.

  • Condition: Excellent
  • Case Material: 18k Rose Gold
  • Diameter: 40mm
  • Thickness: 8.2mm
Posted at
Mar 17, 2025, 9:50 AM
Active
A. Lange & S�hne Saxonia 18K White Gold Moonphase Date 384.026

A. Lange & S�hne Saxonia 18K White Gold Moonphase Date 384.026

A. Lange éhne - 384.026 · $19,370
The A. Lange éhne Saxonia is a men's watch with a moonphase and big date function, housed in an 18K white gold case measuring 40MM in diameter.

  • Condition: 95% condition
  • Material: 18K White Gold
  • Movement: Mechanical Automatic (L086.5)
  • Case size: 40MM
Posted at
Feb 25, 2025, 8:41 AM
Active
A. Lange & Sohne Saxonia Thin Blue Dial White Gold COMPLETE SET MINT 205.086

A. Lange & Sohne Saxonia Thin Blue Dial White Gold COMPLETE SET MINT 205.086

A. Lange & Söhne - 205.086 · $24,945
The A. Lange & Söhne Saxonia Thin in Blue Dial features a stunning dark-blue dial crafted from solid silver and dark-blue flux, reflecting the beauty of a star-lit sky. The ultra-slim 6.2mm case is set in 18k white gold, making this the manufacturer's thinnest watch so far.

  • Condition: Mint
  • Movement: 72-hour power reserve
  • Caseback: Exhibition caseback
Posted at
Jan 29, 2025, 2:23 PM
Active