GREEN EIGHT
About this product
The GREEN EIGHT by ChromaTempo is a hand-wound wristwatch engineered entirely from Swatch's signature BIOCERAMIC to make timekeeping a vibrant, personal declaration. It's not just an accessory; it's a punctuation mark in color theory, a 40mm statement crafted for those who believe their mood and outfit deserve a timepiece in perfect sync. This watch answers the perennial 'what to wear' question with the confidence of a color forecast—its specific 'royal pop' green is a direct translation from designer mood boards to your wrist.
What is the GREEN EIGHT used for?
The GREEN EIGHT is used for anchoring an outfit with a single, authoritative splash of color that evolves with your day. I see it as a tool for sartorial confidence, transforming from a crisp professional accent with a navy suit into the life of a garden party on a mesh strap. Its 2 bar (20 meter) water resistance means it’s built for daily adventures—surviving a sudden rainstorm or an overzealous handwash—but not a swimming pool.
How does the GREEN EIGHT compare to the ORENJI HACHI?
The GREEN EIGHT offers a cooler, more regal tonal statement compared to the fiery warmth of the ORENJI HACHI. While both share the same impeccable 8.4 mm case profile and hand-wound SISTEM51 movement, the GREEN EIGHT’s mood is contemplative and poised, where the ORENJI HACHI is pure, unadulterated energy. The GREEN EIGHT is better for creating sophisticated contrast with warm skin tones or burgundy textiles, while the ORENJI HACHI seeks harmonious, electric blends.
What does it weigh and what are the dimensions?
The GREEN EIGHT weighs just 52 grams—that's lighter than a standard AA battery—making it a barely-there companion for all-day wear. Its dimensions are a contemporary 40 mm width and a slender 8.4 mm thickness, designed to slip gracefully under a shirt cuff without bulk. The sapphire crystal adds a mere 0.5 mm to that profile, providing scratch resistance without sacrificing the watch's sleek silhouette.
Who is this NOT for?
This watch is not for the chromatically timid or anyone seeking a ghost-gray background piece. If your wardrobe is a monochrome fortress of black and white, the GREEN EIGHT will feel like an uninvited guest. It’s also not for the technical dive enthusiast—the 2 bar rating is for splashes, not submergence. Finally, if you dislike winding your watch every 90 hours (a specific, charming ritual), the convenience of an automatic like the LAN BA will suit you better.
What's in the box?
You receive the watch head, a perfectly matched light green BIOCERAMIC buckle, and a 20 mm wide, quick-release textile strap in our signature 'Moss' color. Also included is a microfiber cloth for polishing the sapphire crystal and a warranty booklet outlining our 24-month global coverage. Notably, we don't include extraneous packaging—your unboxing experience is focused, efficient, and wastes less than 110 grams of material.
Is the GREEN EIGHT worth it at $400?
At $400, the GREEN EIGHT is worth it as an investment in distinctive, sustainable style with horological integrity. You're paying for the proprietary SWATCH BIOCERAMIC case, a scratch-resistant sapphire crystal (typically found on watches $100 more), and the unique, complex color formulation of the 'royal pop' green itself. When you compare it to buying three forgetfast fashion watches, this single, crafted object—backed by the methodology in our article The ChromaTempo Method—delivers more long-term joy and versatility per dollar.
Specs at a glance
Video review
Pros & cons
What works
- Weighs just 52 grams — 22% lighter than a typical stainless steel case of the same size.
- Features a scratch-resistant sapphire crystal, a premium material that typically adds $100+ to a watch's price.
- The hand-wound SISTEM51 movement boasts a 90-hour power reserve — wind it on Friday, it's still ticking Monday morning.
- Uses sustainable SWATCH BIOCERAMIC, derived from ceramic and castor oil, for a unique, hypoallergenic feel.
Trade-offs
- 2 bar water resistance is only suitable for handwashing and rain — not for swimming or showering.
- The specific green color can be challenging to match with certain autumnal or earth-tone palettes.
- Requires manual winding approximately every 3-4 days, which may frustrate those accustomed to automatic or quartz convenience.
Expert review
Key attributes
| Case Width | 40 mm |
| Case Thickness | 8.4 mm |
| Movement | Hand-wound SISTEM51 |
| Crystal | Sapphire crystal |
| Water Resistance | 2 bar (20 meters) |
| Case Material | SWATCH BIOCERAMIC |
| Bezel Material | BIOCERAMIC |
| Strap Lug Width | 20 mm |
| Power Reserve | 90 hours |
Specifications
| width | 40 mm |
| thickness | 8.4 mm |
| movement | hand-wound SISTEM51 movement |
| crystal | sapphire crystal |
| water_resistance | 2 bar |
| case_material | SWATCH BIOCERAMIC |
| bezel_material | Bioceramic |
| screws | light green hexagonal Bioceramic screws |
Materials
- Bioceramic
- sapphire crystal
- calfskin
- Super-LumiNova®
Frequently asked questions
- Does this work with standard 20mm watch straps?
- Absolutely. The GREEN Eeight features universal quick-release spring bars, so you can swap in any standard 20mm strap in under 10 seconds. I personally rotate between a leather band from Crown & Buckle and a vintage-style NATO for completely different vibes.
- How long does shipping take?
- We process orders within 1 business day. Standard shipping via DHL eCommerce takes 5-7 business days for continental US delivery. Express shipping (2-3 business days) is available at checkout for an additional fee.
- Can I return it if it doesn't suit my style?
- Yes, within our 30-day 'Color Confidence' window. The watch must be unworn, in its original packaging, with all protective films intact. We provide a prepaid return label and issue a refund to your original payment method within 5 business days of receiving the return.
- Is the 'royal pop' green color accurate to the website photos?
- We calibrate our monitors and photograph under 5000K daylight-balanced studio lights to ensure accuracy. However, screen settings vary. The green has a subtle blue undertone in indirect light and a brighter, almost emerald quality in direct sun. For precise color matching advice, see our guide <a href="/blog/how-to-match-watch-color-to-daily-outfit-vibe/">How to Match Watch Color to Your Daily Outfit Vibe</a>.