Mainspring for Rolex NA 620/630 Auto (Bridle) 1.40 x 0.09 x 292 - Bestfit WA75
Mainspring for Rolex NA 620/630 Auto (Bridle) 1.40 x 0.09 x 292 - Bestfit WA75
Bestfit WA75 Mainspring for Rolex NA 620/630 Auto (Bridle) 1.40 x 0.09 x 292
Bestfit White-a-loy mainspring, reference WA75, specified for Rolex NA 620, 630 automatic movements with bridle. White-a-loy is advertised as acid-resistant and non-magnetic.
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Dimensions (metric): 1.40 mm height x 0.09 mm thickness x 292 mm length
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Packaging notes: pre-wound / pre-folded packet as shown
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Quantity: 1 mainspring (dial/caliber not included)
Attributes:
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Brand: Bestfit
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Part Type: Mainspring (with bridle)
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Compatibility: For Rolex NA 620, NA 630 automatic
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Material: White-a-loy (alloy)
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Size: 1.40 × 0.09 × 292 mm
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Condition: New old stock in envelope; outer paper shows age/handling
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