TUDOR Black Bay Chrono

Marsoni

M251S

$3500.00

Get it in 3 business days with 1 day shipping. Friday, May 29

TUDOR Black Bay Chrono41mm steel case, Steel bracelet CASE: 41mm stainless steel case with polished and satin brushed finishes BEZEL: Fixed stainless steel bezel with matte black anodized aluminum disc with tachymetric scale and silver markings MOVEMENT: Manufacture Caliber MT5813 (COSC) with chronograph function Self winding mechanical chronograph movement with bidirectional rotor system DIAL: Opaline with black counters, domed WINDING CROWN: Stainless steel screw down

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Fast: 2-3 business days
Express: 1-2 business days

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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
Final sale items are not eligible for returns or exchanges.
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This tool kit made servicing the gimbal bearing and checking engine alignment much easier than improvising with generic tools. The machining looks solid and the tools fit properly with MerCruiser components. Helpful set for anyone doing their own marine maintenance work. Definitely useful to have around for sterndrive service jobs.

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Reviewed in the United States on May 15, 2026

Jo Bo

Cuba, US

★★★★★ 5

Saves So Much Time, Perfect Fit On Mercruiser Pre-Alpha Outdrive.

This is a very useful kit. Perfect fit to exchange and align the gimbal bearing on a Mercruiser MR/Pre-Alpha Outdrive. The metal rods are strong and well machined to fit the gimbal bearing and the template lines up great with the housing studs. The overall production quality is very good. Great value because the tools are very durable but for me the biggest value is the time saved. I had the bearing out in about 10 minutes. The ability to line up the bearing before attempting to attach the outdrive upper gear unit is very convenient and saves so much time. This are simple tools, very easy to use.

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Reviewed in the United States on May 1, 2026

Rick

Belleville, US

★★★★★ 5

Easy to use

Works great

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Reviewed in the United States on May 9, 2026