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From Héron
With its unique ability to track two time zones simultaneously, the GMT watch has been a collector’s favorite since its introduction in the 1950s. The Mirabel reimagines this complication—typically found in sportier designs—and brings it into the realm of classic dress watches. The result? A GMT timepiece like no other—or, if you will, a dress watch with a party trick. Colorway: Blue REF. 4004-A Specifications 316L Stainless Steel C-Shaped Case Automatic "True GMT" Miyota 9075 (No Battery Required) Boxed Sapphire Crystal (AR Coated) Enamel Painted Sector Dial with Polished Applied Numerals French Baranil Leather Strap with Quick-Release springbars Cabochon Pilot Crown Faceted Hands with Capped Seconds Hand “World-Timer” Caseback with Hand-Painted Enamel Centerpiece Water Resistance: 50 Meters | 165 Feet Dimensions Case Size: 37.5mm (Diameter) X 43.5mm (Lug To Lug) Lug Width: 20mm Thickness: 10mm (12mm with Boxed Crystal) French Baranil Leather: 125/75mm
Specifications
Details and photos come from Héron’s website, last checked Oct 26, 2026. Specs were read automatically and may contain mistakes.
Case
- Diameter
- 37.5 mm
- Lug-to-lug
- Not listed
- Thickness
- 10 mm
- Thickness incl. crystal
- Not listed
- Lug width
- 20 mm
- Material
- Not listed
Movement
- Type
- Automatic
- Caliber
- Miyota 9075
- Power reserve
- Not listed
- Functions
- Not listed
Crystal and bezel
- Crystal
- Sapphire
- Bezel
- Not listed
Water resistance
- Rated to
- 50 m
Dial and lume
- Dial
- Not listed
- Lume
- Not listed
Strap
- Strap
- Not listed
Every spec Héron lists
- Colorway
- Blue REF. 4004-A
- Case Size
- 37.5mm (Diameter) X 43.5mm (Lug To Lug)
- Lug Width
- 20mm
- Thickness
- 10mm (12mm with Boxed Crystal)
- Water Resistance
- 50 Meters | 165 Feet
- French Baranil Leather
- 125/75mm
- We’ve kept things simple
- the listed price is the only price. No additional tariffs or surprise charges — just a seamless purchase from checkout to delivery.
- Instructions for the Miyota 9075 GMT feature
- Read Now
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