Blancpain Fifty Fathoms Fifty Fathoms Stainless Steel / Blue / Blue NATO

Reference 5015-12B40-NAOA

About this watch

The Blancpain Fifty Fathoms 5015-12B40-NAOA is an exceptional luxury watch that embodies the spirit of adventure and elegance. With its rich history and impeccable design, this timepiece is a statement piece that seamlessly transitions from underwater exploration to formal dinners. The automatic movement showcases Blancpain's commitment to innovation and precision, featuring a power reserve of 120 hours. The striking blue dial and durable blue NATO strap add an oceanic touch, while the rotating bezel allows for precise timing. With a water resistance of 300 meters, this watch is built for serious diving. It's a legacy of craftsmanship, style, and functionality that promises to be a loyal companion for years to come.
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Key Features

  • Blancpain caliber 1315 automatic movement
  • 45 mm stainless steel case with rotating bezel and sapphire glass
  • 300 meters water resistance
  • 120-hour power reserve
  • Striking blue dial with stick indexes and sword hands
  • Durable blue NATO strap with quick adjustments
  • Glucydur free sprung balance for enhanced accuracy

Specifications

Brand
Blancpain
Family
Fifty Fathoms
Model
Fifty Fathoms Stainless Steel / Blue / Blue NATO
Reference
5015-12B40-NAOA
Movement
1315
Movement Features
  • Hours, Minutes, Seconds
  • Date
Case
Stainless Steel 45mm
Dial Color
Blue
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] Blancpain Fifty Fathoms 45MM Blue Dial Textile Strap 2021 Full set (5015-12B40-O52A)

Blancpain Fifty Fathoms 45MM Blue Dial Textile Strap 2021 Full set (5015-12B40-O52A)

This Blancpain Fifty Fathoms is a modern icon in the dive watch world, featuring a lightweight titanium case and rich sunburst blue dial. It has an impressive 5-day power reserve with Blancpain's in-house Caliber 1315.

  • Case Material: titanium
  • Diameter: 45mm
  • Movement: Caliber 1315
Posted at
Apr 24, 2026, 6:30 PM
Active
[WTS] Blancpain Fifty Fathoms 45mm Black Stainless Steel 2019 Full Set + 3 Straps/Deployant+Pin Buckle

Blancpain Fifty Fathoms 45mm Black Stainless Steel 2019 Full Set + 3 Straps/Deployant+Pin Buckle

Blancpain - Fifty Fathoms · $8,649
A versatile Blancpain Fifty Fathoms watch with a folding clasp and three additional OEM straps, including leather, textile, and rubber.

  • Case size: 45mm
  • Material: Black Stainless Steel
  • Year: 2019
Posted at
Apr 24, 2026, 6:23 PM
Active
[WTS] *PRICE REDUCED*  2022 Blancpain Fifty Fathoms Bathyscaphe Chronograph Flyback 5200 1110 B52A Full Set

*PRICE REDUCED* 2022 Blancpain Fifty Fathoms Bathyscaphe Chronograph Flyback 5200 1110 B52A Full Set

2022 Blancpain Fifty Fathoms Bathyscaphe Chronograph Flyback with a case size of 43mm, coming as a full set with box and papers.

  • Condition: Excellent
  • Case Size: 43mm diameter
  • Water Resistance: 300m depth rating
Posted at
Apr 24, 2026, 1:58 PM
Active
[WTS] Blancpain Fifty Fathoms Bathyscaphe Ceramic

Blancpain Fifty Fathoms Bathyscaphe Ceramic

a black ceramic Blancpain Fifty Fathoms Bathyscaphe, a professional diving watch with various features and specifications listed in the official Blancpain documentation.

  • Case Diameter: 42mm
  • Water Resistance: 300m
Posted at
Apr 24, 2026, 11:46 AM
Active
>>REDUCED FURTHER<< BLANCPAIN FIFTY FATHOMS 45mm DEPLOYANT 2022

>>REDUCED FURTHER<< BLANCPAIN FIFTY FATHOMS 45mm DEPLOYANT 2022

Blancpain - Fifty Fathoms · $7,975
This Blancpain Fifty Fathoms features a 45mm stainless steel case, domed sapphire bezel, and in-house calibre 1315 with a 100 hour power reserve. The watch has a spectacular lume and comes on a Blancpain Fifty Fathoms sailcloth strap.

  • Condition: Excellent
  • Case size: 45mm
  • Water resistance: unknown
  • Strap: Blancpain Fifty Fathoms sailcloth strap
Posted at
Apr 4, 2025, 2:08 PM
Active
BLANCPAIN Fifty Fathoms Bathyscaphe 43mm 5000-1110-70B 2021 Box Papers Bracelet!

BLANCPAIN Fifty Fathoms Bathyscaphe 43mm 5000-1110-70B 2021 Box Papers Bracelet!

Blancpain - 5000-1110-70B · $8,950
This 2021 Blancpain Fifty Fathoms Bathyscaphe comes with box, papers, and an upgraded bracelet. It features a 43mm case and includes various accessories such as leather travel cases and polishing cloths.

  • Condition: used
  • Box And Papers: true
  • Bracelet: upgraded OEM stainless steel
Posted at
Apr 2, 2025, 8:34 AM
Active
BLANCPAIN Fifty Fathoms Bathyscaphe 43mm 5000-1110-70B 2021 Box Papers Bracelet!

BLANCPAIN Fifty Fathoms Bathyscaphe 43mm 5000-1110-70B 2021 Box Papers Bracelet!

Blancpain - 5000-1110-70B · $8,950
The Blancpain Fifty Fathoms Bathyscaphe is a beautiful watch that comes with its original box, papers, and an upgraded bracelet. It's dated February 2021 and includes various accessories such as diver display case, leather travel case, OEM stainless steel bracelet, and polishing cloth.

  • Box And Papers: true
  • Bracelet Upgrade: true
  • Year: 2021
Posted at
Mar 30, 2025, 1:22 PM
Active
>>REDUCED FURTHER<< BLANCPAIN FIFTY FATHOMS 45mm DEPLOYANT

>>REDUCED FURTHER<< BLANCPAIN FIFTY FATHOMS 45mm DEPLOYANT

Blancpain - Fifty Fathoms · $8,150
This Blancpain Fifty Fathoms is a stainless steel watch with a 45mm size and domed sapphire bezel. It features Blancpain's in-house calibre 1315 movement with a 100 hour power reserve.

  • Condition: Excellent condition, no issues
  • Case Size: 45mm
  • Movement Power Reserve: 100 hours
Posted at
Mar 28, 2025, 3:38 PM
Active
Blancpain Fifty Fathoms Titanium -5015-12B40-O52A - Blue - 45mm - Mint

Blancpain Fifty Fathoms Titanium -5015-12B40-O52A - Blue - 45mm - Mint

The watch is a Blancpain Fifty Fathoms Titanium with a blue dial and 45mm case size. It features an automatic movement, date display, and comes with a blue sail cloth canvas strap. The watch is in mint condition and includes original packaging and papers.

  • Condition: Pre-Owned - Mint
  • Case Size: 45mm
  • Bracelet Type: Blue Blancpain Sail Cloth Canvas w. Tang Buckle
  • Material: Titanium
Posted at
Mar 26, 2025, 8:14 PM
Active