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.
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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
[WTS] Blancpain Fifty Fathoms 45MM Blue Dial Titanium Bracelet 5015-12B40-98B

Blancpain Fifty Fathoms 45MM Blue Dial Titanium Bracelet 5015-12B40-98B

Blancpain - 5015-12B40-98B · $17,980
The Blancpain Fifty Fathoms presents a durable yet lightweight titanium case in 45mm, paired with a unidirectional bezel crafted from sapphire crystal and a sunburst blue dial that includes Arabic numerals.

  • Condition: Very good condition
  • Boxes And Papers: Yes, including boxes (inner and outer), additional items, and papers dated February 2nd, 2021
  • Material: Titanium
Posted at
Dec 27, 2025, 6:25 PM
Active
[WTS] Blancpain Fifty Fathoms Automatique 45mm Titanium on Bracelet 5015-12B30-98

Blancpain Fifty Fathoms Automatique 45mm Titanium on Bracelet 5015-12B30-98

Blancpain - 5015-12B30-98 · $17,055
A Blancpain Fifty Fathoms Automatique watch with a 45mm titanium case and black sapphire-topped unidirectional dive bezel. The watch features a black dial with luminous Arabic numerals, hands, and hour markers.

  • Condition: Very good condition, resized one link short
  • Case size: 45mm diameter
  • Case material: Titanium
  • Bezel material: Black sapphire
Posted at
Dec 27, 2025, 6:20 PM
Active
[WTS] Blancpain Fifty Fathoms 45mm Titanium Blue Dial 5015-12B40-O52A

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

Blancpain - 5015-12B40-O52A · $12,620
This watch features a striking 45mm titanium case with a unidirectional blue sapphire bezel and an exhibition case back. The sunburst blue dial is set with luminous Arabic numerals, arrow-shaped markers, and sword-shaped hands, offering superb legibility even in low-light settings.

  • Condition: Very good condition
  • Case diameter: 45mm
  • Strap material: Sailcloth-textured textile strap
Posted at
Dec 27, 2025, 6:16 PM
Active