

Last checked Oct 26, 2026
View on Heritus’s site ↗In stock - Ready to ship. Custom Watch. SKX-SUB Conversion Seiko-Submariner 42 mm Forged Carbon Fiber Dial Specifications: Seiko NH35A Caliber Automatic 41 Hours Power Reserve Vibrations Per Hour 21,600 bpm Bi-directional Winding Rotor Date Display Complication Regulated @ +/-5 Sec Per Day Characteristics: 904L Grade Stainless Steel Front Sapphire Crystal (Clear AR Coating) Ceramic Bezel Insert Screw Down Crown Window Case Back 200m Water Resistant Unidirectional Bezel Signed Crown FKM Rubber Strap with Clasp Dimensions: Case diameter: 42 mm Lug to lug: 48 mm Thickness: 14 mm Lug size: 22 mm Testing: The watch movement accuracy is tested and regulated prior and after assembling. The case is water tested at 20 ATM. Limited Warranty: 12 months limited warranty. The watch includes box, watch instructions, and accessories. IMPORTANT NOTICE: This watch is water-resistant and was pressure-tested prior to shipment at the rated specification at the time of assembly. Water resistance is not a permanent condition and may be affected by gasket wear, accidental impacts, improper handling, temperature changes, chemical exposure, chlorine, salt water, or failure to properly secure the crown. The customer is solely responsible for ensuring that the crown is fully secured before any contact with water. Because it is impossible to verify handling conditions after delivery, any damage caused by water intrusion, moisture, humidity, or condensation is strictly excluded from warranty coverage under all circumstances. No refunds, replacements, repairs, reimbursements, or chargebacks will be accepted for water-related damage.
Details and photos come from Heritus’s website, last checked Oct 26, 2026. Specs were read automatically and may contain mistakes.
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