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From Héron
The Marinor Rainbow channels the vibrant energy of the 60s, blending bold color with rugged construction. This special edition retains the tool-watch toughness of the Marinor—hardened steel, sapphire crystal, and 250m water resistance—while introducing a playful, dynamic aesthetic. A fun yet functional design that stands out. Colorway: Black REF. 3301-A Specifications Hardened Stainless Steel - 1200HV Automatic Miyota 9039 (No Battery Required) Boxed Sapphire Crystal (AR Coated) Rotating Dommed Sapphire Bezel - 120 Clicks, Uni-Directional, Countdown Swiss Lume: Blue Super-Luminova (BGW9 + Old Radium) Brushed Case and Bracelet Screw Down Crown & Caseback Water Resistance: 250 Meter | 820 Feet FKM Tropical Rubber Strap Dimensions Case Size: 39mm (Diameter) X 46mm (Lug To Lug) Lug Width: 20mm Thickness: 10.6mm (12.2mm with Boxed 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
- 39 mm
- Lug-to-lug
- Not listed
- Thickness
- 10.6 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
- 250 m
Dial and lume
- Dial
- Not listed
- Lume
- Blue Super-Luminova (BGW9 + Old Radium)
Strap
- Strap
- Not listed
Every spec Héron lists
- Colorway
- Black REF. 3301-A
- Case Size
- 39mm (Diameter) X 46mm (Lug To Lug)
- Lug Width
- 20mm
- Thickness
- 10.6mm (12.2mm with Boxed Crystal)
- Swiss Lume
- Blue Super-Luminova (BGW9 + Old Radium)
- Water Resistance
- 250 Meter | 820 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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