

Last checked Oct 26, 2026
View on Heritus’s site ↗In stock - Ready to ship Custom Watch CW259. SKX-SUB Conversion Seiko-YachtMaster 42 mm 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 20 ATM 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. We specialize in crafting personalized timepieces tailored to individual client preferences. It's important to note that this particular watch is not manufactured by Seiko and we have no affiliation with, nor do we represent Seiko or any other watch brand.
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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