Solid Contoured Backup Ring 7.000" x 7.500" x 0.117" - Nitrile

Marsoni

M251S

$15.03

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

Solid Contoured Backup Ring 7.000" x 7.500" x 0.117" - NitrileProduct Details : Solid Contoured Backup Ring 7. 000" x 7. 500" x 0. 117" Nitrile Part No: 8 441 N90 Product Category: O Rings Product Type: Solid Contoured Backup Ring Series: 8 XXX Dash No.: 441 Material(s): Nitrile Material Code: NBR Durometer: 90 Temperature Range: 40F to +250F ( 40C to +121C) System Of Measurement: Inch Dimensions: 7. 000" x 7. 500" x 0. 117" Nominal I. D. (d) : 7. 000" Nominal O. D. (D) : 7. 500" Nominal Width (W): 0. 250" R: 0.

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We offer a 30-day return/exchange service after receiving.
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Bought as a working watch so I don’t wreck my good watches. It’s been working just fine and holding up well while not taking very good care of it. Keeps accurate time. Glass has stayed clear. Black finish looks good and is holding up well. Seems to hold up with steady pounding. Stop watch buttons are a bit crude and will mess up your time when your hand gets pushed back against it during hard labor. However, I have not babied this watch at all.

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Reviewed in the United States on December 10, 2025

Verified Purchase

eugene kennedy

Massapequa, US

★★★★★ 5

Great product

Color: two tone blue

Will need adjustment. Great looking watch

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Reviewed in the United States on June 2, 2026