lug2lug
BrowseCompareNewsCommunityMy Watches
BrowseCompareNewsCommunityMy Watches
Theme
Popular microbrands:Christopher Ward·Baltic·anOrdain·Atelier Wen·Boldr·Bremont·Dan Henry·DOXABrowse all →
Best, by the specs:Diver under $2,000·Best dress watches·Chronograph under $5,000·Best sport watches·GMT under $5,000·Field under $500·Pilot under $2,000·Casual under $1,000All rankings →
Glossary:Lug-to-Lug·Water Resistance·Chronograph·GMT·Automatic·LumeBrowse all →
Tools:Collection tracker·Wrist-fit calculator·What should I buy?·Value retention rankings·Market index·iPhone app
Lug2Letter
Watches worth knowing about, weekly.
Curated discoveries, founder spotlights, and the occasional deep-dive.
Get the app
Download on theApp StoreGET IT ONGoogle Play
TermsPrivacyDelete accountCopyrightDisclosuresContactContribute

Independent reference site · not affiliated with any brand · contains affiliate links

© 2026 Lug2Lug LLC · Prices are estimates and not offers

Loading watch
Home/Browse/Blancpain/Bathyscaphe
SpecStudio
Blancpain Bathyscaphe
Click to inspect
Ask the communityStart a discussion about the Bathyscaphe — get takes from other collectors.Ask →
Blancpain · Fifty Fathoms

Blancpain Bathyscaphe

Ref. 5100-1127-NATA · Diver

$12,500Stock unknown
Buy from BlancpainFind used on eBay

Some links here are affiliate links. lug2lug may earn a commission at no extra cost to you. Disclosures

Case

Diameter
38mm
Thickness
10.8mm
Material
Steel
Finish
Steel
Water resistance
300m

Crystal & dial

Crystal
Sapphire

Movement

Caliber
1150
Type
Automatic
Power reserve
100h
Hacking
No
Hand-winding
No
Complications
Time only

Design language

Case shape
round
Dial style
matte
Bezel
rotating
Bracelet
fabric
Hands
baton

AI-detected from the product image

Fifty Fathoms collection · 59 watches

Bathyscaphe
Bathyscaphe43.6mm
Bathyscaphe
Bathyscaphe43mm
Bathyscaphe
Bathyscaphe43.6mm
Bathyscaphe
Bathyscaphe43.6mm
Bathyscaphe
Bathyscaphe43mm
Bathyscaphe
Bathyscaphe43mm
Bathyscaphe
Bathyscaphe43mm
Bathyscaphe
Bathyscaphe43mm
Bathyscaphe
Bathyscaphe43mm
Bathyscaphe
Bathyscaphe43.6mm
Bathyscaphe
Bathyscaphe43.6mm
Bathyscaphe
Bathyscaphe38mm
46 more in this collection
BathyscapheBathyscapheBathyscapheBathyscapheBathyscapheBathyscapheBathyscapheBathyscaphe Chronographe FlybackBathyscaphe Chronographe FlybackBathyscaphe Chronographe FlybackBathyscaphe Chronographe FlybackBathyscaphe Chronographe FlybackBathyscaphe Chronographe FlybackBathyscaphe Chronographe Flyback Ocean Commitment IBathyscaphe Chronographe Flyback Ocean Commitment IIBathyscaphe Quantième Complet Phases de LuneBathyscaphe Quantième Complet Phases de LuneBathyscaphe Quantième Complet Phases de LuneBathyscaphe Quantième Complet Phases de LuneBathyscaphe Quantième Complet Phases de LuneBathyscaphe Quantième Complet Phases de LuneBathyscaphe Saint Valentin 2023Fifty Fathoms 70th Anniversary Act 1 Series IFifty Fathoms 70th Anniversary Act 1 Series IIFifty Fathoms 70th Anniversary Act 1 Series IIIFifty Fathoms AutomatiqueFifty Fathoms AutomatiqueFifty Fathoms AutomatiqueFifty Fathoms AutomatiqueFifty Fathoms AutomatiqueFifty Fathoms AutomatiqueFifty Fathoms AutomatiqueFifty Fathoms AutomatiqueFifty Fathoms AutomatiqueFifty Fathoms AutomatiqueFifty Fathoms AutomatiqueFifty Fathoms AutomatiqueFifty Fathoms AutomatiqueFifty Fathoms AutomatiqueFifty Fathoms AutomatiqueFifty Fathoms AutomatiqueFifty Fathoms AutomatiqueFifty Fathoms AutomatiqueFifty Fathoms AutomatiqueFifty Fathoms Nageurs de combatFifty Fathoms Tech
Alternatives

02The connection engine

More like this.

Henry Archer Tidevand

Henry Archer

Tidevand

40mm · Automatic$652

Phoibos Apollo

Phoibos

Apollo

39mm · Automatic$460

Phoibos Apollo Dlc

Phoibos

Apollo Dlc

39mm · Automatic$485

Thorn Octopus Kraken 37mm BB54 PT5004 Automatic Men Watch OCT025

Thorn

Octopus Kraken 37mm BB54 PT5004 Automatic Men Watch OCT025

37mm · Automatic$219

Shiro Kara RCF Tifa Blue

Shiro Kara

RCF Tifa Blue

39mm · Automatic$448

Henry Archer Nordsø

Henry Archer

Nordsø

40mm · Automatic$521

View all alternatives

03The community take

Owners talk.

“
In a nutshell

The Blancpain Bathyscaphe (ref. 5100-1127-NATA) is an automatic diver watch, with a 38mm steel case, 10.8mm thick, powered by the 1150 movement and a 100-hour power reserve. Water resistance is rated to 300m, under a sapphire crystal. Manufacturer MSRP is $12,500.

Open the discussion

On real wrists

No shots yet. Show how it wears.

04The paper trail

05The discussion

Talk about the Blancpain Bathyscaphe.