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Last checked Oct 26, 2026
View on Héron’s site ↗From Héron
Inspired by the watches worn during the great age of exploration, when mountaineers pushed higher than ever before, scientific breakthroughs reshaped modern life, and international travel brought distant horizons within reach. Colorway: Blue REF. 5002-A Specifications Hardened Stainless Steel - 1200HV Automatic Miyota 9039 (No Battery Required) Boxed Sapphire Crystal (AR Coated) Two-Layer Sandwich Dial Construction Swiss Lume: Super-Luminova (BGW9) Screw Down Crown & Caseback Water Resistance: 100 Meters | 330 Feet Bracelet: Screwed Links, Quick Release & On The Fly Micro-Adjustment System Dimensions Diameter: 3 7mm (wears like 39mm) Lug to Lug: 43mm Lug Width: 20mm Case Thickness: 8.5mm (11mm including Crystal)
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 mm
- Lug-to-lug
- 43 mm
- Thickness
- 8.5 mm
- Thickness incl. crystal
- Not listed
- Lug width
- 20 mm
- Material
- Not listed
Movement
- Type
- Automatic
- Caliber
- Miyota 9039
- Power reserve
- Not listed
- Functions
- Not listed
Crystal and bezel
- Crystal
- Sapphire
- Bezel
- Not listed
Water resistance
- Rated to
- 100 m
Dial and lume
- Dial
- Not listed
- Lume
- Super-Luminova (BGW9)
Strap
- Strap
- bracelet
Every spec Héron lists
- Bracelet
- Screwed Links, Quick Release & On The Fly Micro-Adjustment System
- Colorway
- Blue REF. 5002-A
- Diameter
- 3 7mm (wears like 39mm)
- Lug Width
- 20mm
- Lug to Lug
- 43mm
- Swiss Lume
- Super-Luminova (BGW9)
- Case Thickness
- 8.5mm (11mm including Crystal)
- Water Resistance
- 100 Meters | 330 Feet
- 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.
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