

Lugs stay on wrists from about 7.0 in (lug-to-lug rule of thumb)
Last checked Oct 26, 2026
View on Heritus’s site ↗Built-to-order. 4 weeks turnaround. Seiko-SeaDweller 44 mm Automatic 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: 316L Grade Stainless Steel Front Sapphire Crystal (Clear AR Coating) Ceramic Bezel Insert Screw Down Crown Window Case Back 5 ATM Water Resistant Unidirectional Bezel Metal Bracelet Dimensions: Case diameter: 44 mm Lug to lug: 52 mm Thickness: 18 mm Lug size: 21 mm Limited Warranty: 12 months limited warranty. The watch includes box, watch instructions, and accessories. Important notice: This watch is water-resistant, not waterproof. Water resistance is tested prior to shipment; however, gasket performance can degrade over time and depends on proper crown operation and user handling. Any water, moisture, humidity, or condensation damage is excluded from warranty coverage. 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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