Hublot Big Bang 441.MX.1138.RX

42mm · Magic Gold · Caliber HUB1280 · 100m

Hublot Big Bang Unico Full Magic Gold

Brand: Hublot
Full reference: 441.MX.1138.RX
Also written as: 441MX1138RX
Collection: Big Bang
Case diameter: 42mm
Case material: Magic Gold
Water resistance: 100m
Movement: Automatic
Caliber: HUB1280
Power reserve: 72 hours
Dial color: No Dial
Bracelet / strap: Rubber

Related references — same collection

Shared specifications help discovery; these links do not assert a predecessor or successor relationship.

Hublot

Big Bang

441.CF.8513.RX

42mmCeramic

Hublot

Big Bang

441.CI.1110.RX.SSH24

42mmBlack Ceramic, All Black

Hublot

Big Bang

441.CI.1140.VR.MEX25

42mmBlack Ceramic, All Black

Hublot

Big Bang

441.CI.1170.RX

42mmAll Black, Black Ceramic

Compare specifications

Specification	441.MX.1138.RX	441.CF.8513.RX	441.CI.1110.RX.SSH24	441.CI.1140.VR.MEX25	441.CI.1170.RX
Case diameter	42mm	42mm	42mm	42mm	42mm
Case material	Magic Gold	Ceramic	Black Ceramic, All Black	Black Ceramic, All Black	All Black, Black Ceramic
Water resistance	100m	100m	100m	100m	100m
Movement	Automatic	Automatic	Automatic	Automatic	Automatic
Caliber	HUB1280	HUB1280	HUB1280	HUB1280	HUB1280
Power reserve	72 hours	72 hours	72 hours	72 hours	72 hours

Sources & record notes

Displayed specifications follow the most complete source record. Other source records are retained below; conflicting values are not silently combined. The Watch Pages.

The Watch Pages ↗ · 2026-09-22 18:13:09 JST
The Watch Pages ↗ · 2026-09-22 18:13:17 JST

The Watch Pages · Hublot 441.MX.1138.RX

Original collection: Not recorded

Technical Specifications / Date Added: April 24, 2020
Technical Specifications / Reference: 441.MX.1138.RX
Technical Specifications / Brand: Hublot
Technical Specifications / Case Size: 42mm
Technical Specifications / Case Material: Magic Gold
Technical Specifications / Dial Color: No Dial
Technical Specifications / Movement: Automatic
Technical Specifications / Caliber: HUB1280
Technical Specifications / Power Reserve: 72 hours
Technical Specifications / Water Resistance: 100m
Technical Specifications / Strap Material: Rubber
Technical Specifications / Strap Color: Black
Technical Specifications / Buckle Type: Folding Clasp
Other watches you may like / Style: Sporty
Other watches you may like / Special Features: Limited Edition, Water Resistant
Other watches you may like / Limited Edition: Limited to 200 pieces
Other watches you may like / Complications: Date, Small Seconds, Chronograph

The Watch Pages · Hublot 441.MX.1138.RX

Original collection: Not recorded

Technical Specifications / Date Added: April 24, 2020
Technical Specifications / Reference: 441.MX.1138.RX
Technical Specifications / Brand: Hublot
Technical Specifications / Case Size: 42mm
Technical Specifications / Case Material: Magic Gold
Technical Specifications / Dial Color: No Dial
Technical Specifications / Movement: Automatic
Technical Specifications / Caliber: HUB1280
Technical Specifications / Power Reserve: 72 hours
Technical Specifications / Water Resistance: 100m
Technical Specifications / Strap Material: Rubber
Technical Specifications / Strap Color: Black
Technical Specifications / Buckle Type: Folding Clasp
Other watches you may like / Style: Sporty
Other watches you may like / Special Features: Limited Edition, Water Resistant
Other watches you may like / Limited Edition: Limited to 200 pieces
Other watches you may like / Complications: Chronograph, Date, Small Seconds

Images are loaded from the cited external sources. Copyright remains with its holders; permission to reproduce locally has not been established.

Corrections and data limitations