Autochron Blue
$2,295721
38 mm200 m WRSapphire
The Sensei's take
The Nivada Grenchen AUTOCHRON BLUE is ideal for enthusiasts who appreciate a blend of vintage charm and modern durability — its 200m water resistance makes it a practical choice for diving or daily wear. The striking blue dial stands out elegantly against the stainless steel case, promising both style and substance. At $2,295, this watch offers impressive value for an Automatic chronograph, making it a must-consider for anyone looking to elevate their collection.
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A true revival of a 70s prototype, the Autochron Blue Petroleum is a vintage-inspired automatic Autochron with a modern twist. Its matte petroleum blue dial features a granulated texture , creating a striking visual effect alongside the embossed black sub-dials. The dial is enhanced with Super-Luminova-coated baton indices and hands , ensuring excellent readability. Powered by the Valjoux 7750-ETA automatic movement , this timepiece delivers 42 hours of power reserve and features a tachymeter scale for speed measurement. The 38mm stainless steel case is topped with a domed sapphire crystal and features a bidirectional fluted rotating bezel with a yellow dot accent at 12 o’clock. Water-resistant up to 200 meters (20 ATM) , the Autochron Blue Petroleum is available with Tropic rubber, leathe…
7.8
StrongSensei Score — Strong
A confident recommendation with few compromises.
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
- Serious water resistance (200m)
- Scratch-resistant sapphire crystal
- Versatile 38mm case
- Luminous dial and hands
Trade-offs
- Priced above what the spec suggests
- Currently sold out
Sensei Says
The specs, in plain English
On the wrist
At 38 mm it lands in the modern sweet spot, a 46.5 mm lug-to-lug suits most wrists.
The value
Fairly priced for what it is.
On the wrist
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Wrist circumference
Preferred fit
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Specifications
- Reference
- 77003A45
- Released
- 2025
- Production
- Limited edition
- Case diameter
- 38 mm
- Lug-to-lug
- 46.5 mm
- Thickness
- 12.7 mm
- Lug width
- 20 mm
- Case shape
- Round
- Case material
- Stainless Steel
- Water resistance
- 200 m
- Crystal
- Sapphire · anti-reflective
- Bezel
- Tachymeter
- Caseback
- Closed
- Dial colour
- blue
- Dial finish
- Matte Textured
- Indices
- baton
- Lume
- Yes — Super-LumiNova
- Strap / bracelet
- stainless steel
- Clasp
- folding
- Functions
- Hours, Minutes, Small Seconds, Date, Chronograph, Tachymeter
- Fit
- Unisex
The maker
Nivada Grenchen
Nivada Grenchen's philosophy revolves around reviving its historical designs while incorporating modern manufacturing techniques. The brand aims to create watches that are both functional and stylish, reflecting its heritage in craftsmanship and innovation.
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