GMT Dual Time – Black & Grey
Free tracked delivery
Hand-assembled
2-year warranty
Design your dream watch — Customization included · Assembled to order
Watch Specifications
- Case: 316L stainless steel – GMT style
- Diameter: 41 mm
- Thickness: 13.5 mm
- Dial: Black & Grey GMT – 28.5 mm
- Crystal: Sapphire, scratch-resistant with cyclops magnifier and anti-reflective coating
- Bezel: Bidirectional rotating with black & grey ceramic insert
- Case back: Steel
- Crown: Screw-down for improved water resistance
- Hands: Mercedes style – Luminova
- Bracelet: Jubilee 904L stainless steel – 20 mm
- Wrist size: Adjustable 14.5–22 cm (tool included)
- Water resistance: 10 ATM (100 m / 330 ft)
- Weight: 140 g
Each Chrono Mod GMT Dual Time – Black & Grey is hand-assembled and tested for precision, durability, and bold presence. A refined companion designed for versatility, performance, and timeless elegance.
Japanese Movement – Seiko Automatic
Mouvement : Seiko NH35a Automatic Mechanical
Fonctions :
- Automatic winding
- Hacking seconds
Power Reserve: 41 hours on full charge
Jewels: 24
Shipping & Delivery Times
Free tracked delivery · Estimated: 8–12 days
Hand-assembled in 3–5 business days
Delivery times may vary by destination
30-day returns · 2-year warranty
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Materials
Premium Components
Crafted from 316L stainless steel, protected by a scratch-proof sapphire crystal, and finished with a high-gloss ceramic bezel.
Built for long-lasting durability, exceptional clarity, and a refined luxury feel.
Movement
Japanese Precision
Powered by a Seiko NH35 Automatic movement, tested and regulated for long-term accuracy.
Smooth, reliable and trusted by watch enthusiasts worldwide.
Durability
100 m Water Resistance
Engineered for everyday confidence thanks to a sealed case construction and screw-down crown.
Ready for rain, swimming and daily wear — up to 100 meters.
Luminova
Luminova C3 offers the brightest glow among modern luminous compounds, delivering a strong green illumination in low-light conditions. Highly durable and long-lasting, it ensures exceptional readability day and night.
Sapphire Glass
Sapphire glass provides exceptional scratch resistance and crystal-clear visibility. Highly durable and second only to diamond in hardness, it ensures long-term clarity and premium protection for your watch.
GMT FUNCTION
The GMT function adds true travel-ready capability to your watch. Equipped with an independent 24-hour hand, it allows you to track a second time zone at a glance—perfect for frequent flyers, remote workers, and anyone navigating between worlds.
JUBILEE BRACELET
The Jubilee bracelet is defined by its distinctive five-piece link construction, delivering a rare combination of refined elegance, superior comfort, and smooth flexibility. Introduced in the mid-20th century and crafted with a signature mix of polished and brushed finishes, it offers a lightweight yet durable feel that sits naturally on the wrist. Its fluid articulation, meticulous craftsmanship, and timeless aesthetic make it a true watchmaking classic — a symbol of understated luxury that transitions effortlessly from everyday wear to formal occasions.
Easylock Clasp
The Easylock clasp system offers a precise and effortless adjustment thanks to its smart extension mechanism. Designed for quick micro-adjustments, it delivers optimal comfort and flexibility in any situation. Beyond its simple operation, Easylock reflects refined watchmaking craftsmanship — ensuring a secure fit, a smooth feel, and a perfectly balanced wearing experience throughout the day.
GMT Bezel
This iconic GMT bezel blends bold contrast with everyday functionality. The ceramic insert separates day and night at a glance, while the crisp 24-hour graduations ensure perfect legibility across multiple time zones. Sleek, durable and scratch-resistant, it delivers a modern tool-watch aesthetic with a refined finish — the essential bezel for travelers, professionals, and GMT enthusiasts seeking both style and precision.
Need help?
FREQUENTLY ASKED QUESTIONS
A Chrono mod is a one-of-a-kind timepiece, custom-made and impossible to find in traditional retail stores.
Handcrafted by experts, these watches combine original Seiko components with carefully selected non-Seiko parts, chosen for their quality and style.
Each watch undergoes a series of rigorous tests to ensure its performance and reliability:
- Water Resistance: A thorough check of the water resistance to ensure perfect sealing.
- Demagnetization: A demagnetization process to preserve the proper functioning of sensitive components.
- Chronometer Adjustment: Precise adjustment of the watch to achieve accuracy within -5 to +5 seconds per day.
These quality checks are carried out with care before shipping, ensuring you receive a watch that is ready to use, reliable, and high-performing.
For every order, we provide you with the necessary tool to adjust the bracelet to your wrist yourself.
This allows you to easily customize the fit at home, at no extra cost.
Reliable Accuracy
Every movement is tested and fine-tuned to deliver outstanding precision, keeping time within just a few seconds per day.
Effortless Legibility
Luminescent dial and hands ensure perfect readability in any light — day or night.
Proven Durability
Engineered to resist shocks and withstand the demands of everyday wear.
Functional Water Resistance
100M waterproof rating — built for real life: rain, swimming, or sport.