Case #619 — Mido OceanStar 200 41MM Ref. M026.930.11.051.00

Case #619 — Mido Ocean Star 200

Ref. M026.930.11.051.00

Status: Available

Condition: Like New Pre-Owned

Scope: Box, Manual, Hang Tag, and Extra Links — No Warranty Card

Year: Unknown

🔎 Case Notes

The Ocean Star has been in Mido's catalogue for a very long time, but this particular reference belongs to the collection's newest chapter. Mido gave the line a thorough redesign with the current Ocean Star 200, keeping the 200m water resistance and Calibre 80 movement while shrinking the case to 41mm from the outgoing 42.5mm Ocean Star 200C. The result reads as noticeably more compact thanks to the redesigned profile and shorter lugs.

This is the black-on-black configuration: black dial, black bezel, stainless-steel bracelet. The dial carries a grained black texture, applied indices and semi-skeletonised hands coated in white Super-LumiNova, a matching black minute rehaut, and a day-date window at 3 o'clock. It is a straightforward, legible tool-diver aesthetic executed with more restraint than the wave-dial 200C it replaces.

Condition is the headline on this example. Our inspection records it as **Like New Pre-Owned**, presenting essentially as unworn — no notable marks were recorded on the case, bracelet, bezel or crystal. On the timing machine it was measured at **+3 seconds per day with 260° amplitude**, which is healthy running for this calibre at the time of testing.

It arrives with its presentation box, manual, hang tag and the removed bracelet links. The warranty card is **not** present, so no factory warranty claim is made here. The bracelet is currently sized to fit an approximately 8-inch wrist, with the surplus links included for resizing in either direction.

🕰️ The Evidence

• **Reference:** M026.930.11.051.00
• **Model / Collection:** Mido Ocean Star 200
• **Year:** Unknown (reference introduced with the current-generation Ocean Star 200)
• **Case:** 316L stainless steel, satin-finished and polished
• **Case Diameter:** 41 mm
• **Thickness:** 11.7 mm
• **Lug-to-Lug:** 48 mm
• **Lug Width:** 21 mm
• **Dial:** Grained black with applied indices and semi-skeletonised hands, white Super-LumiNova; stick indices; day and date at 3 o'clock
• **Crystal:** Sapphire with double anti-reflective coating on both sides
• **Bezel:** Unidirectional rotating dive bezel, black insert, luminous pip at 12 o'clock. Note: our intake sheet recorded the insert as ceramic, while Mido's published specification for the current Ocean Star 200 line describes matching aluminium bezels; we describe it per the manufacturer and are happy to confirm on request
• **Crown:** Screw-down
• **Movement:** Mido Calibre 80, automatic, based on the Powermatic ETA C07.621
• **Movement Detail:** Nivachron balance spring, 21,600 vph, adjusted in three positions, decorated oscillating weight with Côtes de Genève finishing; 25 jewels
• **Power Reserve:** Up to 80 hours
• **Functions:** Hours, minutes, central seconds, day and date
• **Water Resistance:** 20 bar / 200 m / 660 ft
• **Bracelet:** Stainless steel with satin-finished outer links and polished centre links
• **Clasp:** Folding clasp with safety lock, diver extension and double push-buttons; quick-change system on the bracelet
• **Bracelet Fit:** Approximately 8-inch wrist (removed links included)
• **Condition:** Like New Pre-Owned — presents essentially as unworn
• **Measured Performance (at intake):** +3 seconds/day, 260° amplitude
• **Factory Warranty:** None claimed — warranty card not present
• **Included:** Presentation box, manual, hang tag, extra bracelet links

🌟 Collector Provenance

The Ocean Star is one of the few genuinely long-running dive lines at the accessible end of Swiss watchmaking. The collection has been part of Mido's catalogue since 1944 and today represents a solid, affordable choice for buyers wanting legibility, robust construction and reliable mechanical performance. Mido's water-resistance credentials predate even that: as early as the 1930s the brand was building a reputation in the field with its Aquadura system.

What makes this reference interesting to follow is where it sits in the family tree. The Ocean Star 200C brought ceramic bezels, colourful dials and a more refined take on the everyday diver, and for several years that 42.5 mm case defined the modern Ocean Star silhouette. Those 200C models measured 42.5 mm with 22 mm lugs — capable, but demanding on a moderate wrist.

The current 200 reverses that trend. Forty-one millimetres across, 11.7 mm thick and 48 mm lug-to-lug is a set of numbers that a lot of collectors have been asking dive-watch makers to return to. This is the transitional generation collectors will point back to when discussing when the Ocean Star became a wearable everyday diver again rather than a large one.

Within the current line-up, five versions are offered — blue, white, silver and black dials on steel bracelets, plus a black-dial variant on rubber. The black dial on the steel bracelet is the most classically utilitarian of them, and the version that reads least like a fashion choice.

🌟 Technical Provenance

Mido presents the Calibre 80 as a major step in self-winding movements, offering up to 80 hours of power reserve — roughly double a conventional movement. It is based on the Powermatic ETA C07.621, a movement architecture developed within the Swatch Group and one of the more consequential pieces of engineering at this price level in the past decade.

The practical mechanism behind that autonomy is the slower beat rate: the calibre runs at 21,600 vibrations per hour and delivers up to 80 hours of reserve. Fewer oscillations per hour means less energy consumed, which is how a single mainspring barrel stretches across a long weekend.

The other significant detail is the hairspring. The movement is equipped with a Nivachron™ balance spring for resistance to magnetic fields and everyday shocks. Anyone who has watched a mechanical watch pick up minutes after an encounter with a laptop, a speaker magnet or a magnetic phone mount will appreciate what that buys in daily use.

Finishing is not an afterthought either. The calibre is adjusted in three positions and carries a decorated oscillating weight with Côtes de Genève.

🧾 From the Case File

The case dimensions are the first thing to understand about this watch in practice. Forty-one millimetres is only part of the story — a 48 mm lug-to-lug span and an 11.7 mm profile are what determine whether a diver sits flat and disappears under a cuff. This one does both. It suits a wide range of wrists, including smaller ones that the previous 42.5 mm generation overwhelmed.

The 80-hour reserve changes ownership behaviour more than the spec sheet suggests. Set it down on Friday evening and it is still running, correctly, on Monday morning — no resetting the day and date before work. For anyone rotating between two or three watches, that is the difference between an automatic being convenient and being a chore.

The bracelet is genuinely well thought out. The folding clasp includes a safety lock, diver extension and double push-buttons, and the quick-change system makes swapping the bracelet for a strap painless. With 21 mm lugs the aftermarket options are narrower than a 20 or 22 mm case would offer, which is a fair argument for keeping the bracelet — it fits perfectly and is nicely finished.

Then there is the condition case. This example presents essentially as unworn, arrives with its box, manual, hang tag and surplus links, and measured **+3 seconds per day at 260° amplitude** on intake. What it does not have is the warranty card, and we are not going to pretend otherwise. That absence is precisely why a watch in this state is available on the pre-owned market rather than at retail — the buyer trading a warranty card for a materially better entry point is making the classic informed collector's calculation.

🗝️ BST Verdict

A current-generation Ocean Star 200 in its most utilitarian configuration, in the condition you would hope for and rarely find: essentially unworn, correctly sized, and measuring well on the timing machine at intake.

The appeal here is the combination of a genuinely wearable 41 mm dive case, an 80-hour Nivachron-equipped calibre, and 200 metres of water resistance — a package that works as hard as an everyday watch needs to without asking for much in return. The missing warranty card is the only gap in the file, and it is disclosed plainly.

👉 Every case deserves a closer look.