Blancpain Fifty Fathoms Fifty Fathoms Bathyscaphe Stainless Steel / Blue / Blue Nato

Reference 5100B-1110-NAOA

About this watch

The Blancpain Fifty Fathoms Bathyscaphe Stainless Steel is an iconic dive watch that embodies elegance and functionality. This luxury timepiece boasts a stunning blue dial, sleek stainless-steel case, and rotating bezel, making it perfect for diving enthusiasts and those who appreciate quality craftsmanship. The Blancpain caliber 1150 automatic movement provides a power reserve of 100 hours, ensuring reliability and precision. With a water resistance of up to 300 meters, this watch is built for adventure, whether you're exploring the ocean's depths or lounging at a beach resort. Its comfortable NATO strap and slim height of 10.77 mm make it suitable for everyday wear. The Fifty Fathoms Bathyscaphe is more than just a timepiece; it's a celebration of craftsmanship, heritage, and adventure.
Buy Now on Jomashop
This is an affiliate link

Key Features

  • Blancpain caliber 1150 automatic movement
  • Stunning blue dial with stick and dot indexes
  • Sapphire crystal for excellent scratch resistance
  • Rotating bezel for tracking time underwater
  • Water resistance up to 300 meters
  • Comfortable NATO strap with 20.00 mm lug width
  • Slim height of 10.77 mm for everyday wear

Specifications

Brand
Blancpain
Family
Fifty Fathoms
Model
Fifty Fathoms Bathyscaphe Stainless Steel / Blue / Blue Nato
Reference
5100B-1110-NAOA
Movement
blancpain%201150
Movement Features
  • Hours, Minutes, Seconds
  • Date
Case
Stainless Steel 38mm
Dial Color
Blue
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] Blancpain Fifty Fathoms 45mm Black Titanium

Blancpain Fifty Fathoms 45mm Black Titanium

Blancpain - Fifty Fathoms · $9,800
The Blancpain Fifty Fathoms is arguably the best dive watch ever made, featuring a lightweight titanium case and sailcloth strap for comfortable everyday wear.

  • Condition: Excellent
  • Case size: 45mm
  • Material: Black Titanium
Posted at
Jan 8, 2026, 5:45 PM
Active
[WTS] Blancpain x Swatch Fifty Fathoms Atlantic Ocean - Box & Materials Only

Blancpain x Swatch Fifty Fathoms Atlantic Ocean - Box & Materials Only

For sale: Blancpain x Swatch collaboration watch box and materials only.

  • Condition: pre-owned in excellent condition
  • Box And Papers: yes
Posted at
Jan 2, 2026, 2:37 PM
Active
[WTS] Blancpain x Swatch Fifty Fathoms Antarctic Ocean - with extra Vintage Style Strap

Blancpain x Swatch Fifty Fathoms Antarctic Ocean - with extra Vintage Style Strap

Blancpain x Swatch - Fifty Fathoms – Antarctic Ocean · $400
This Blancpain x Swatch collaboration, the Fifty Fathoms – Antarctic Ocean, is a unique blend of style and functionality. It features a 42.3mm Bioceramic case with an automatic Sistem51 movement, making it both durable and reliable.

  • Condition: Excellent
  • Case Size: 42.3mm
  • Water Resistance: 91m / 300ft
  • Straps: NATO and Vintage Style Band
Posted at
Jan 2, 2026, 2:19 PM
Active
[WTS] Blancpain Fifty Fathoms Bathyscaphe 5054-1110-B52A

Blancpain Fifty Fathoms Bathyscaphe 5054-1110-B52A

Blancpain - 5054-1110-B52A · $10,800
The Blancpain Fifty Fathoms Bathyscaphe Ref. 5054-1110-B52A is a refined expression of the brand's dive watch heritage, blending modern aesthetics with technical depth.

  • Condition: Excellent - little to no signs of wear
  • Case material: stainless steel
  • Dial color: grey
  • Complications: moonphase display,complete calendar
Posted at
Dec 31, 2025, 2:42 PM
Active
[WTS] Blancpain Fifty Fathoms. Ref: 5015

Blancpain Fifty Fathoms. Ref: 5015

Blancpain - 5015-1130-52A · $7,200
Blancpain Fifty Fathoms, a diver's watch with high-quality features.

  • Condition: Very sharp
  • Material: steel or other materials (not specified)
Posted at
Dec 31, 2025, 2:17 PM
Active
[WTS] Blancpain Fifty Fathoms Bathyscaphe 43MM Grey Dial Textile Strap 5000-1110-B52A

Blancpain Fifty Fathoms Bathyscaphe 43MM Grey Dial Textile Strap 5000-1110-B52A

This Blancpain Fifty Fathoms Bathyscaphe features a 43mm steel case, paired with a black ceramic dive bezel, and a durable textile strap. Its grey dial includes luminous hands and hour markers for easy readability.

  • Condition: Very good condition, with signs of wear on the boxes
  • Case size: 43mm diameter
  • Bezel material: black ceramic
  • Dial color: grey
Posted at
Dec 27, 2025, 9:27 PM
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