Petrichor 37mm Skeleton – Gunmetal
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Complete Your Build
Matte gunmetal gray with silver accents — the Petrichor 37mm Gun Metal skeleton takes an industrial, darker approach to the Petrichor platform. The matte gunmetal coating over 316L stainless steel gives the case a subdued, tool-watch presence while silver hands and indexes provide the contrast needed to read the time against the exposed NH72 skeleton movement. The dark case makes the movement’s golden bridges the primary visual anchor on the dial. Domed sapphire crystal, 37 mm diameter, 11.6 mm thick, integrated bracelet, exhibition caseback, 100 m water resistance. Fully assembled and ready to wear.
Specifications
| Specification | Value |
|---|---|
| Movement | Seiko NH72 (skeleton, automatic) |
| Power Reserve | Approx. 41 hours |
| Case Material | 316L Stainless Steel, gunmetal coating |
| Case Finish | Matte gunmetal gray |
| Dial Accents | Silver hands and indexes |
| Diameter | 37 mm |
| Thickness | 11.6 mm |
| Crystal | Domed sapphire |
| Water Resistance | 100 m |
| Caseback | Exhibition (display) |
| Bracelet | Integrated stainless steel, gunmetal |
Compatibility
This is a fully assembled watch. All components are modular and can be swapped:
Dial: 28.5 mm skeleton dial (pre-installed) · Replaceable with any 28.5 mm dial compatible with NH72, NH70, or NH71 movements
Hands: Silver skeleton hands (pre-installed) · Replaceable with any NH-series compatible hands
Bracelet: Integrated stainless steel bracelet, gunmetal (pre-installed) · Fitted to the Petrichor case platform
What’s Included
- Fully assembled Petrichor 37mm skeleton watch (gunmetal case, silver accents)
- Integrated gunmetal stainless steel bracelet (pre-installed)
- Nomods packaging
Designed by Nomods
The Petrichor is a Nomods original design, and this gunmetal variant was created for anyone who wants the skeleton aesthetic in a darker, more assertive package. The matte gunmetal coating absorbs light rather than reflecting it, giving the 37 mm case a quiet, technical presence on the wrist. Against this dark backdrop, the silver hands and indexes stand out clearly, but the real focal point is the NH72’s exposed golden bridges — the contrast between the cool gray case and the warm movement mechanics draws the eye inward. The domed sapphire crystal enhances this layering effect, creating visible depth between the crystal surface and the movement beneath. Gunmetal also hides scratches better than black PVD because the underlying steel is closer in shade to the coating.
Frequently Asked Questions
How does the 37mm Petrichor wear compared to a 40mm or 41mm watch?
The Petrichor wears noticeably more compact than a 40–41 mm watch. The integrated bracelet and 11.6 mm thickness keep it close to the wrist without the overhang you get from larger cases. On a 6–7 inch wrist it looks proportional and refined. If you prefer larger, Nomods offers 41 mm skeletons in the Royal Oak range.
Is the gunmetal bracelet the same color as the case?
Yes. The integrated bracelet and case share the same matte gunmetal coating, creating a seamless transition from case to wrist. The bracelet clasp and center links are finished to match.
Can I swap the skeleton dial for a regular dial?
Yes. The Petrichor accepts any 28.5 mm dial and any NH-series movement. You can replace the skeleton dial with a solid dial and swap the NH72 for an NH35 or NH36. The exhibition caseback still shows the movement from behind. See our build guide for detailed instructions, or buy the Petrichor Gunmetal case separately to start from scratch.
Swap & Customize
- Petrichor Gunmetal Gold — same gunmetal case with warm gold accents
- Petrichor Silver — lighter, brushed steel alternative
- Petrichor Gunmetal Case — empty case for custom builds
- Petrichor Black (NH35) — non-skeleton dark Petrichor for comparison
Browse all Petrichor watches · Skeleton collection · Petrichor parts
Nomods is an independent brand. Our products are original designs inspired by iconic watch aesthetics. We are not affiliated with or endorsed by any luxury watch manufacturer. All brand names are used for reference purposes only. This watch is assembled by us using genuine TMI (Time Module Inc.) movements, a subsidiary of Seiko Instruments Inc., part of Seiko Group Corporation. This product is not an official Seiko watch.
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Ex: Shipping and return policies, size guides, and other common questions.
