The MING 37.09 Bluefin pairs a manufacturer-rated 600 m water resistance with a 38 mm case and a distinctive timing system: instead of turning an external bezel, its crown at 4 o’clock rotates a luminous sapphire dial inside the watch. MING’s current archive lists the Bluefin as sold out, with deliveries complete and no further production planned.
How does the MING 37.09 Bluefin’s internal rotating dial work?
The elapsed-time scale sits on a deep-blue metallized sapphire dial filled with Super-LumiNova X1. A sealed crown at 4 o’clock operates a unidirectional 60-click mechanism that turns the dial internally; MING says sprung bearings secure the mechanism. This replaces the familiar external rotating dive bezel with a timer scale protected beneath the crystal.
MING says the crown neither pulls out nor screws down and can be operated underwater. Those are the manufacturer’s design and operating claims, not independently verified test findings. The hour indices are applied to the underside of the top crystal, while the dial markings and hands use different mixtures of Super-LumiNova X1. MING’s product archive and its May 2024 launch release describe the construction.
How big is the MING Bluefin?
Horologer MING’s current official specification gives the Bluefin a 38 mm diameter, 12.8 mm thickness and 44.5 mm lug-to-lug measurement. The thickness includes the externally domed sapphire crystal. A 38 mm diameter is compact for a watch with this stated depth rating, but the measurements alone cannot establish how it will wear on a particular wrist.
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The case is 316L stainless steel with alternating brushed and polished surfaces. Domed sapphire crystals protect the front and rear, both with double-sided anti-reflective coating. The movement can be seen through the display back. The case and dimensions are specified by MING.
What does 600 m water resistance mean here?
The production Bluefin is rated by MING to 600 m. Separately, the manufacturer says prototypes reached a 900 m crush depth after 24 hours of saturation, and that it conservatively rated the watch at 600 m. The 900 m figure is a reported prototype result—not the operating-depth rating for the delivered watch. The cited product and launch materials do not include an independent pressure-test report.
What movement does it use?
The Bluefin is powered by a Sellita for MING SW300.M1 automatic movement, with approximately 50 hours of power reserve, hacking seconds and automatic winding. MING specifies a skeletonised rotor and bridges in a matte anthracite finish; the movement is visible through the rear sapphire crystal. These are manufacturer-published specifications in the official product archive.
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What strap fits the MING Bluefin?
The stated lug width is 20 mm. The watch was delivered on a moulded FKM rubber strap with curved bars and quick release, plus a “flying blade” tuck buckle with micro adjustment. MING’s launch release said the strap would also be sold separately and would fit its earlier watches with 20 mm lugs.
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Random freezes, missing sound and display glitches usually trace back to one bad driver. Find and replace yours safely.Free scan · under a minuteA generic 20 mm strap is not automatically a fit: the original strap’s curved bars and the case clearance matter. Confirm the bar shape and clearance before buying a replacement. MING lists a two-year warranty against defects; for a pre-owned watch, check the original documents and ask the seller about any remaining coverage and transfer terms, which the cited materials do not establish.
Is the MING 37.09 Bluefin still available?
No longer from MING: its current official archive says the model is sold out, deliveries are complete and it will not be produced again. The watch was announced on May 23, 2024, with the press-room release date listed as May 22. The launch release stated a CHF 4,950 price, 500 watches planned for 2024, sales through ming.watch beginning May 24, and deliveries expected from October 2024. Those are historical launch details, not current pricing or evidence of stock. The sources cited here do not establish secondary-market availability or asking prices.
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