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The Dietrich Organic Time OT-3 is an oversized automatic watch built around a layered dial, small seconds and a 24-hour day/night display. Its unusual, futuristic look is the main draw; its listed case dimensions are substantial and vary between sellers, so check the exact measurement and fit before buying. Available sources describe specifications and design, but do not establish measured accuracy, comfort or real-world performance.
What makes the Dietrich OT-3 distinctive?
The OT-3 belongs to Dietrich’s Organic Time line. GQ España’s José Luis Díez described the line in 2015 as three related models—OT-1, OT-2 and OT-3—with small details such as hand color distinguishing them. He also characterized the collection’s case construction as a design articulated through three distinct case sections. That is a historical editorial description, not a current manufacturer statement. GQ España, 17 May 2015
Descriptions by GQ España and Horas y Minutos emphasize a futuristic, sporty appearance and a multi-level dial. The display departs from a conventional three-hand arrangement: it combines small seconds with a 24-hour indicator used to show day and night. GQ places the seconds at 5 o’clock and the day/night indication at 9 o’clock; Horas y Minutos describes a four-level dial and yellow Super-LumiNova. These are published descriptions, not observations from a hands-on inspection. Horas y Minutos, 12 May 2015
Dietrich OT-3 specifications
| Specification | Reported detail |
|---|---|
| Line | Organic Time |
| Movement | Automatic Miyota 82-S-7, described by sources as modified |
| Display | Layered dial, small seconds and 24-hour/day-night indication |
| Case material | 316L stainless steel, according to JAMTANGAN.COM |
| Crystal | Sapphire, according to JAMTANGAN.COM |
| Strap | Nylon; GQ España describes it as lace-through and easy to change |
| Water resistance | 50 m / 5 ATM, as stated by JAMTANGAN.COM |
| Dimensions and weight | JAMTANGAN.COM lists 46 mm diameter, 48 mm case length, 49 mm including crown, 13.7 mm thickness and 128 g weight |
The movement identification is reported by retailer and specialist sources; the available material does not establish its measured accuracy or performance in use. The measurements above are one retailer’s specifications, not independently verified dimensions. JAMTANGAN.COM product listing, accessed 2026
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- Band Width: 24mm.
- Material: genuine lather
- Color: black
- Buckle: Stainless Steel Clasp
- Length: about 24.5cm
How large is it, and how should you judge the fit?
The listings make clear that this is a large watch, but their measurement labels do not line up perfectly. JAMTANGAN.COM reports a 46 mm diameter and 48 mm case length, with 49 mm including the crown. Other retailer pages use a 46 mm or 49 mm measurement, while another describes 48 mm without the crown. Because sellers may be measuring different axes or using different conventions, do not treat those figures as interchangeable or as a guarantee of how the watch will sit on your wrist. Compare the exact listing’s stated dimensions with a watch you already own, and ask the seller to clarify which direction each measurement covers if it is not clear.
The reported 13.7 mm thickness and 128 g weight also come from the JAMTANGAN.COM listing. They are useful reference points for judging the watch’s listed bulk, but they do not establish comfort or wrist presence in wear. A wrist try-on or a seller-confirmed comparison with a watch whose fit you know is more useful than relying on diameter alone.
Rank #2
- Band Width: 24mm.
- Material: genuine lather
- Color: black
- Buckle: Stainless Steel Clasp
- Length: about 24.5cm
What does 50 m / 5 ATM water resistance mean here?
JAMTANGAN.COM lists the OT-3 as water resistant to 50 m / 5 ATM. That is the seller’s stated rating; the sources available here do not provide an authoritative activity-specific recommendation for swimming, bathing or other water use, nor do they document real-world water testing. Do not interpret the number as proof of suitability for a particular activity. For a use decision, ask the seller or a qualified watch service provider for guidance that applies to the specific watch and its current condition.
What to verify before buying
Retail and resale pages can differ in price, condition, dimension labels and availability, and at least one surfaced listing was sold out. Any price or stock status is specific to the seller, listing and date checked; no single current price or verified available offer is established here. Check the exact page before purchase rather than relying on an older result.
Rank #3
- 100%brand new and quality,easy to adjust the length to fit the wrist,one size fits everyone.
- Made Italian cowhide material ,environmentally friendly and healthy,Softness is moderate, wear very comfortable.
- Softness is moderate, wear very comfortable,Compression molding, sturdy and durable,Wearable strap/wrist strap,suitable for original watch.
- Easy to insert and remove,very suitable for your watch.
- Exquisite craftsmanship and stylish design are perfect gifts for friends and family.
- Condition and completeness: Ask whether the watch is new or pre-owned, and whether box, papers and accessories are included.
- Seller terms: Confirm warranty coverage, return terms, seller reputation and shipping availability for your location.
- Dimensions: Confirm what each listed measurement refers to, especially whether it includes the crown.
- Strap fit: The OT-3 is described with a nylon lace-through strap, but the sources do not establish strap width or verified third-party compatibility. Confirm attachment geometry and width before ordering a replacement.
- Water use: Ask what the stated 50 m / 5 ATM rating means for the particular watch and intended use.
Who is the OT-3 for?
The OT-3 is most compelling for someone who wants an unconventional, layered dial and a large, futuristic case rather than a restrained three-hand watch. Its automatic movement and published material specifications offer concrete points to compare, but the visual design is the clearest reason to consider it. The listed size may be a drawback for anyone seeking a compact or discreet watch; inspect the seller’s dimensions carefully before deciding.
GQ España reports that designer Emmanuel Dietrich founded the brand in 2009 after 20 years of design work. That is historical reporting published in 2015, not an independently verified corporate record. The available sources discuss the related OT-1 and OT-2 as part of the same line, but do not support a direct model-to-model verdict.
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Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
