OEM 39mm GMT Watch Case with Red-Blue Bezel
OEM 39mm GMT watch case with brown bezel
OEM 39mm GMT watch case (bezel not included)
Back of the OEM 39mm GMT watch case
Side view of the crown side of an OEM 39mm GMT watch case.
OEM 39mm GMT watch case with an easily sloped front profile.

OEM 39mm GMT Watch Case — Stainless Steel with Sapphire Crystal

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The GMT Case That Fits NH34's Native Hand 
39mm. Exactly the GMT platform independent brands have been looking for.

 Compact GMT Architecture: 39mm, Sapphire Crystal
The NEITON-6003-215 is a 39mm GMT watch case designed for brands seeking a more compact and wearable dual-time watch. With a 39mm diameter and 13.5mm thickness, it offers classic GMT proportions compared to the oversized cases common in today's market. Crafted from stainless steel with a sapphire crystal, the case delivers a clean, versatile appearance suitable for various design directions. Compatible with both NH34 and NH35 movements, the 6003-215 is an excellent choice for building modern GMT watches for travellers and everyday wearers alike.

GMT Done Right: Private Label & OEM for Independent Watch Brands
For independent watch brands and wholesalers, the 6003-215 fills the demand for a compact, well-proportioned GMT case available for OEM and private label projects. Custom logos can be applied to the dial and case back, while both solid and exhibition case back options provide greater design flexibility. Its wearable 39mm size makes it an ideal platform for brands targeting customers who prefer smaller GMT watches. Contact our team to discuss customization options and minimum order quantities.

Product Specification Table

Parameter Specification
Style GMT
Compatible Movements     NH34/ NH35
Case Diameter     39mm
Case Thickness     13mm
Case Material     Stainless Steel
Crystal     Sapphire
Case Colors Steel 
Bezel Type Contact us for specifications
Case Back Solid / Exhibition
Customization Bezel edge, color, logo, case back style

 

FAQ

Q1: Why is the 6003-215 offered only in steel finish? 
A1:The steel finish is the standard specification for this SKU. If you require alternative case finishes, please contact our team — additional options may be available subject to your order volume and project timeline.

Q2: Is 39mm a common size preference among watch buyers currently?
A2:Yes. Buyer preference has been shifting toward more classically proportioned watches across multiple market segments. A 39mm GMT case opens the complication to wearers who find 41mm-and-above cases uncomfortable — a commercially relevant consideration for brands targeting a broad consumer base, including female buyers and those with smaller wrists.

Q3: Can I specify a colored bezel insert — for example, a red-and-blue or black-and-green configuration — on this case? 
A3:Bezel insert options and colors are available on request. Please contact our team with your specification requirements and we will advise on what is achievable for your project and volume.

Q4: What is the lead time for a custom private label order on the 6003-215?
A4: Lead time depends on customization complexity, order volume, and current production scheduling. Our team will provide a specific timeline when you submit your inquiry. We recommend beginning with a sample order to confirm fit and finish before moving to full production — particularly important when integrating with a specific movement batch.

• MOQ: 10 pieces
• Proofing and Delivery: 3–5 business days for stock; 15–25 days for custom orders (including QC)
• Warranty and RMA: 12-month movement warranty; RMAs can be requested within 7 days of arrival
• Packaging: Branded watch box + quality inspection card + certificate of conformity
• Contact: Please submit an application form at Wholesale or email us at our customer service email address
• More wholesale terms: See Wholesale for details

Testimonials


Neiton helped us launch our first watch collection with a low MOQ and excellent communication throughout the process. The quality exceeded our expectations, and the production timeline was exactly as promised

— James R., Watch Brand Founder, USA


We were looking for a reliable OEM watch manufacturer for our growing microbrand. Neiton's team provided valuable technical advice and delivered consistent quality across multiple production runs

— Daniel M., Microbrand Owner, Australia


The prototype development process was smooth and professional. From dial details to packaging, every aspect was handled carefully. We are very satisfied with the final product.

— Oliver T., Private Label Brand, Germany


As a distributor, we value reliability and fast response times. Neiton has become one of our preferred watch suppliers thanks to their efficient production and dependable quality control

— Ahmed K., Watch Distributor, Dubai


Working with Neiton allowed us to bring a custom GMT watch project to market much faster than expected. Their expertise in OEM and ODM manufacturing was evident from day one.

— Michael S., Watch Brand Founder, United Kingdom


We compared several manufacturers before choosing Neiton. Their flexibility, transparent communication, and attention to detail made the decision easy. We look forward to future projects together.

— Lucas B., Wholesale Buyer, France

FAQs




All watches include a 3-year warranty. During the warranty period, defective watches or components can be repaired or replaced according to our after-sales policy.


Yes. We support watch prototyping and sample development before mass production, helping clients verify design details, materials, and functionality.


Our MOQ starts from 10 pieces for selected models. As a flexible OEM and ODM watch manufacturer, we support startups, microbrands, and established watch brands with different production requirements.


Yes. We provide private label watch manufacturing services, allowing you to customize the dial, case back, crown, buckle, packaging, and other components with your brand logo.


For existing watch models with custom branding, production can be completed in as little as 7-15 days depending on quantity and specifications. Custom watch development projects may require additional lead time.