

Lugs stay on wrists from about 5.75 in (lug-to-lug rule of thumb)
Built-to-order 4 weeks turnaround Seiko-AirKing OysterSteel 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 Fluted Bezel Insert Screw Down Crown Window Case Back 5 ATM Water Resistant Dimensions: Case diameter: 36 mm / 40mm Lug to lug: 43 mm / 48mm Thickness: 13 mm Lug size: 20 mm Testing: The watch movement accuracy is tested and regulated prior and after assembling. The case is water tested at 5 ATM prior to and at 5 ATM after assembling. 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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Kronosti
100 m · Miyota 8215

Kronosti
100 m · Miyota 8215

Kronosti
100 m · Miyota 8215
