Reactor-Core Decay
$1,500786
44 mm100 m WRSapphire
The Sensei's take
The Tsarbomba Reactor-Core Decay is an innovative choice for those seeking a unique and durable automatic watch. With its striking dial design and robust construction, it stands out in both functionality and style, making it a great value for adventurous watch enthusiasts.
Is this watch your kind of thing?
One vote per visitor — see how the community feels.
The Tsarbomba Reactor-Core Decay TB8227-01 features a unique time-reading mechanism using rotating discs instead of traditional hands. The watch is powered by an automatic movement and has a case made of 316L stainless steel and carbon fiber, ensuring durability. It is water-resistant up to 100 meters and includes a matte black dial with luminous elements for visibility.
—
UnratedSensei Score — Unrated
Not yet scored by the Sensei.
Independent rating. Purchase links may be affiliate.
At a glance
Strengths & trade-offs
Pulled straight from the spec sheet, framed for the buyer. The editorial verdict is the Sensei's take above.
Strengths
- Everyday water resistance (100m)
- Scratch-resistant sapphire crystal
- Luminous dial and hands
Trade-offs
- Priced above what the spec suggests
Sensei Says
The specs, in plain English
On the wrist
At 44 mm it wears boldly, a long 52 mm lug-to-lug favours larger wrists.
The value
Fairly priced for what it is.
On the wrist
How will this watch fit me?
Enter your wrist size once — we'll remember it — and the Sensei estimates the fit from the case measurements.
Wrist circumference
Preferred fit
Enter your wrist size to see the fit estimate.
Specifications
- Reference
- TB8227-01
- Released
- 2026
- Production
- Current production
- Case diameter
- 44 mm
- Lug-to-lug
- 52 mm
- Thickness
- 13 mm
- Lug width
- 26 mm
- Case shape
- Round
- Case material
- 316L Stainless Steel, Carbon Fiber
- Water resistance
- 100 m
- Crystal
- Sapphire
- Bezel
- None
- Caseback
- Closed
- Dial colour
- Black
- Dial finish
- Matte
- Indices
- None
- Lume
- Yes — Grade A
- Strap / bracelet
- rubber
- Clasp
- pin buckle
- Fit
- Unisex
The maker
Tsarbomba
Tsar Bomba believes in fusing the precision of Swiss craftsmanship with the versatility of interchangeable modular components. This philosophy caters to modern consumers who value customization and personal expression in their timepieces.
Alternatives worth a look
More from Tsarbomba
From the same maker
