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Steinhart Ocean One 39 Specifications
| Reference | 103-0691, 103-0835 |
|---|---|
| Case Size | 39mm |
| Lug Width | 20mm |
| Lug-to-Lug | 46.5mm |
| Thickness | 13mm |
| Case Material | stainless steel (316L) |
| Crystal | sapphire with anti-reflective coating |
| Water Resistance | 300m |
| Movement | Sellita SW200-1 (automatic) |
| Bezel | unidirectional rotating dive bezel (ceramic) |
| Crown | screw-down |
| Case Back | screw-down (display caseback) |
| Price Range | $490-$590 |
Compatible Straps for the Steinhart Ocean One 39
The Ocean One 39 uses a 20mm Lug Width and is compatible with the following strap types.
| Type | Recommended Brand | Why It Works | Price Range | Link |
|---|---|---|---|---|
| NATO/ZULU | Barton | Classic look, easy to swap, fits 20mm lugs | $15–$80 | |
| rubber/silicone | Archer | Water-resistant, comfortable for daily wear | $15–$80 | |
| leather | Crown & Buckle | Dresses up the watch, fits 20mm lugs | $15–$80 | |
| OEM stainless steel bracelet | Strapcode | Compatible with 20mm attachment | $15–$80 | |
| mesh bracelet | Barton | Adjustable fit, dressy appearance | $15–$80 |
Replacement Parts for the Steinhart Ocean One 39
| Part | Description | Compatibility Note |
|---|---|---|
| crystal (sapphire) | Protective cover over the dial | Fits 39mm case |
| bezel insert (ceramic) | Outer ring marking | Matches unidirectional rotating dive bezel (ceramic) configuration |
| crown | Time-setting knob on case side | screw-down type |
| spring bars | Pins that hold the strap to the case | 20mm, 1.5mm diameter recommended |
| bracelet clasp | Replacement component | Check compatibility with Ocean One 39 |
| case back gasket | Seal that maintains water resistance | Required for 300m WR rating |
Modding the Steinhart Ocean One 39
The Ocean One 39 is a popular platform for modding. Here are the most common modifications.
- strap swap — Upgrade to a premium aftermarket strap or metal bracelet.
- OEM bracelet to NATO or rubber — Upgrade to a premium aftermarket strap or metal bracelet.
Frequently Asked Questions
What lug width is the Steinhart Ocean One 39?
The Ocean One 39 has a 20mm lug width.
Is the Steinhart Ocean One a Rolex Submariner homage?
Yes. The Ocean One is a well-known Submariner-inspired dive watch. It offers similar design elements — ceramic bezel, Mercedes hands, oyster-style bracelet — at a fraction of the price with Swiss movement and sapphire crystal.
What movement does the Ocean One 39 use?
The Ocean One 39 uses a Sellita SW200-1, which is a Swiss-made automatic movement functionally equivalent to the ETA 2824-2.