The quick answer.
CRONOS L6057M B-Blue Pilot Flieger 39 mm is a pilot watch watch with case dimensions 39 mm diameter × 49 mm lug-to-lug × 11.35 mm thick at $128. We recommend it for a buyer who wants a blue, highly legible pilot-style watch with sapphire and low-maintenance quartz timekeeping.
Why it belongs on the shortlist.
The L6057M pairs a traditional pilot-watch arrangement with a saturated blue dial and a 316L five-link bracelet. Large minute numerals and luminous hands make the display the visual focus, while the bracelet keeps the watch feeling like a steel daily wearer rather than a costume-style aviation piece. The B-Blue option is the strongest choice for buyers who want color without giving up the familiar Flieger layout.
The B-Blue option keeps the pilot layout lively.
The dial uses a sunray blue finish, large minute numerals and luminous hands. We like the contrast because it gives this Flieger a clear point of difference while keeping the face easy to scan. The polished five-link bracelet adds a more versatile everyday look than a conventional fabric pilot strap.
The VH31 is the practical movement choice.
Cronos specifies Seiko’s VH31 quartz movement and highlights its sweeping seconds hand. It offers a visual nod to mechanical motion while keeping quartz convenience at the center of the ownership experience. Pick it for easy wear and a legible dial rather than for the ritual or finishing of a mechanical movement.
Sapphire and the listed dimensions strengthen the package.
The double-domed sapphire crystal has an inner anti-reflective coating, and the case measures 39 mm across, 49 mm lug-to-lug and 11.35 mm thick. The 49 mm span is comparatively long for the diameter, so it deserves more attention than the headline case size. The 20 mm bracelet has a five-link design and butterfly clasp.
A useful blue everyday watch with one fit caveat.
Cronos lists 10 ATM / 100 m water resistance, BGW-9 lume and a two-year warranty. Those specifications give the L6057M broad everyday appeal, though the brand listing does not establish independent water-resistance testing. The long lug-to-lug remains the key fit question; the product page does not publish a weight.
Apply the supplied code after following the partner link.
Cronos lists the L6057M at $128 USD. The supplied SEBASTIANBASSOL code is for 5% off, but this exact B-Blue option has not been tested with it, so we do not show an after-code total. Follow our Cronos partner link, find the L6057M B-Blue option and confirm the final amount in the cart.
The details, at a glance.
- Model / option
- L6057M · B-Blue
- Case dimensions
- 39 mm diameter · 49 mm lug-to-lug · 11.35 mm thick
- Case and bracelet
- 316L stainless steel · five-link bracelet · 20 mm width
- Movement
- Seiko VH31 quartz with a sweeping seconds hand
- Crystal
- Double-domed sapphire · inner anti-reflective coating
- Dial and lume
- Blue sunray dial · BGW-9 luminous hands and markers
- Clasp
- Butterfly buckle
- Water resistance
- 10 ATM / 100 m, as listed by Cronos
- Manufacturer warranty
- 2 years, as listed by Cronos
- Current listed price
- $128 USD on October 22, 2026
- Reader code
- SEBASTIANBASSOL · supplied 5% off; this exact option has not been tested
What draws us in
- The blue sunray dial and large aviation numerals make the Flieger layout easy to recognize
- The VH31 combines quartz convenience with a sweeping seconds hand
- Cronos lists double-domed sapphire, inner anti-reflective coating and a 316L bracelet
Before you choose
The listed 49 mm lug-to-lug is long relative to the 39 mm diameter, so measure your current favorite before deciding. The VH31 is quartz rather than automatic, which suits a buyer who values convenience but not someone specifically seeking mechanical winding. Cronos lists 10 ATM / 100 m water resistance and a two-year warranty; these are manufacturer specifications, not independent test results.
Who it suits.
A buyer who wants a blue, highly legible pilot-style watch with sapphire and low-maintenance quartz timekeeping.
When to choose something else.
Choose a shorter case span, a mechanical movement or a leather strap if those matter more than the bracelet and VH31 combination.
Warranty, returns and ownership.
Cronos lists a two-year warranty for the L6057M. Check the current terms for your country before ordering.
Compare the 49 mm span with your wrist before choosing.
The published 49 mm lug-to-lug gives you a useful starting point for checking overhang. Use our wrist-fit guide and compare the proportions with a watch you already enjoy wearing.
Cronos Watch partner code and offer terms. Our supplied code is SEBASTIANBASSOL for 5% off. Check the exact model and variant at the store, then confirm eligibility and the final total at checkout.
Where to buy.
Specifications and product photography: Cronos L6057M official product page (checked October 22, 2026). Find L6057M B-Blue Pilot Flieger 39 mm at Cronos Watch through our partner link and search for the selected option there. How we choose.
A few good questions.
What is the discount code for the CRONOS L6057M B-Blue Pilot Flieger 39 mm?
The Cronos Watch discount code is SEBASTIANBASSOL for 5% off at cronos.watch. We have not tested it on this exact model, so confirm the saving in your order summary. Every code and tested price: https://watchritual.com/promo/cronos-watch
Is the CRONOS L6057M B-Blue Pilot Flieger 39 mm automatic or quartz?
Cronos lists a Seiko VH31 quartz movement with a sweeping seconds hand.
How large is the CRONOS L6057M B-Blue Pilot Flieger 39 mm?
Cronos lists a 39 mm diameter, 49 mm lug-to-lug and 11.35 mm thickness, with a 20 mm bracelet.
Does the CRONOS L6057M B-Blue Pilot Flieger 39 mm use sapphire crystal?
Yes. Cronos lists a double-domed sapphire crystal with an inner anti-reflective coating.
How much water resistance does the CRONOS L6057M B-Blue Pilot Flieger 39 mm have?
Cronos lists 10 ATM / 100 m water resistance. This is the manufacturer’s specification, not an independent test result.
