Mido Ocean Star GMT vs Oris Big Crown Pointer Date
Mido's diver meets Oris's pilot watch
Quick Verdict
The Mido Ocean Star GMT ($1,000–$1,500) offers Automatic (ETA C07.661 base) precision in the tier below the Oris Big Crown Pointer Date ($1,500–$2,500). The Ocean Star GMT measures 44mm and is rated 200m (20 ATM). The Big Crown Pointer Date counters with Swiss Made craftsmanship and 50m (5 ATM) water resistance. Both are exceptional watches for their respective tiers.
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Specifications Compared
| Feature | Mido Ocean Star GMT | Oris Big Crown Pointer Date |
|---|---|---|
| Price | $1,000–$1,500 | $1,500–$2,500 |
| Case Size | 44mm | 40mm |
| Movement | Automatic Caliber 80 (Base ETA C07.661) | Automatic Oris 754 (Sellita Base) |
| Caliber Type | Automatic (ETA C07.661 base) | Modified Sellita Automatic |
| Power Reserve | 80 Hours | 38 Hours |
| Water Resistance | 200m (20 ATM) | 50m (5 ATM) |
| Crystal | Sapphire with Double-sided AR | Sapphire (Domed, Inside AR Coating) |
| Case Material | Stainless Steel | Stainless Steel |
| Origin | Swiss Made | Swiss Made |
Category-by-Category Analysis
Design & Aesthetics
Mido's design language vs Oris's approach
The Mido Ocean Star GMT features a Stainless Steel case at 44mm with Sapphire with Double-sided AR protection. The Oris Big Crown Pointer Date offers Stainless Steel construction at 40mm with Sapphire (Domed, Inside AR Coating). Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic Caliber 80 (Base ETA C07.661) vs Automatic Oris 754 (Sellita Base)
The Ocean Star GMT runs the Automatic Caliber 80 (Base ETA C07.661) (Automatic (ETA C07.661 base), 80 Hours power reserve) at 21,600 vph (3 Hz) frequency. The Big Crown Pointer Date uses the Automatic Oris 754 (Sellita Base) (Modified Sellita Automatic, 38 Hours reserve) at 28,800 vph (4 Hz). The Ocean Star GMT edges ahead on power reserve.
Wearability & Fit
44mm vs 40mm — different wrist presence
At 44mm, the Ocean Star GMT has a bolder wrist presence compared to the Big Crown Pointer Date at 40mm. Water resistance differs: 200m (20 ATM) vs 50m (5 ATM).
Value & Cost of Ownership
Mido sits in the lower tier
The Mido Ocean Star GMT sits at $1,000–$1,500 and the Oris Big Crown Pointer Date at $1,500–$2,500. On the specs that outlast any price: the Ocean Star GMT uses Sapphire with Double-sided AR with 80 Hours, against Sapphire (Domed, Inside AR Coating) and 38 Hours on the Big Crown Pointer Date. Service intervals are typically 5-7 years for both.
Water Resistance
200m (20 ATM) vs 50m (5 ATM)
The Ocean Star GMT is rated to 200m (20 ATM) while the Big Crown Pointer Date handles 50m (5 ATM). The Ocean Star GMT is better suited for water activities.
Materials Face-Off
| Component | Mido Ocean Star GMT | Oris Big Crown Pointer Date |
|---|---|---|
| Case alloy | Stainless steel 316L | Stainless steel 316L (standard reference); bronze (CuSn8) for 7553 reference family |
| Crystal | Synthetic sapphire grown via Verneuil process, Mohs 9. Double-sided AR coating — uncommon at this price tier, provides exceptionally clear dial readi Mohs 9 | Synthetic sapphire grown via Verneuil process, Mohs 9. Domed profile with inside AR coating Mohs 9 |
| Bezel insert | Ceramic (ZrO₂) — scratchproof, color-stable. Engraved 24-hour scale | Super-LumiNova on hands and indices |
| Lume specification | Super-LumiNova (variant-dependent grade) | Calfskin leather with quick-release lever system |
| Bracelet alloy | Stainless steel 316L | — |
Cost of Ownership Compared
The Mido Ocean Star GMT saves you $1,071 over 5 years of ownership
Who Should Pick Which
Pick the Mido Ocean Star GMT if…
- Enthusiasts wanting proven Swiss/Japanese quality in the $1,000–$2,000 sweet spot
- Dive watch enthusiasts — 200m water resistance is proper dive spec
- Weekend warriors — 80-hour power reserve means it survives two days off the wrist
- Those who prioritize scratch resistance — sapphire crystal
- Dive watch collectors who appreciate proper ISO-rated tool watches
Pick the Oris Big Crown Pointer Date if…
- Those who prioritize scratch resistance — sapphire crystal
- Military/field watch enthusiasts who value legibility and durability
- Heritage enthusiasts drawn to ** Oris's historical pedigree
Mido Ocean Star GMT
- 44mm wears large — too big for under-7" wrists
- ETA base movement at this price — fair value but not in-house prestige
- Crystal AR coating can show fingerprints — double-sided AR is a quality upgrade but requires more frequent wipe-downs
- Bracelet quality is adequate not exceptional — most owners report the bracelet is the watch's weak point; aftermarket rubber/MN straps significantly upgrade daily wear
Oris Big Crown Pointer Date
- Sellita SW200-1 base at this price tier — fair value but some buyers expect in-house at this price tier (the Caliber 403 variant exists at higher price for in-house)
- 41-hour reserve — modest vs. 70–80 hour competition (Hamilton H-10, Tudor MT5602, Longines L888)
- 50m water resistance — limited dress-sport spec
- Pointer date polarises — some buyers love the design distinction; others find window dates more practical for at-a-glance reading
Our Verdict
Mido
Ocean Star GMT
Choose the Mido Ocean Star GMT if you prioritize Automatic (ETA C07.661 base) engineering, Swiss Made craftsmanship, and 200m (20 ATM) water resistance. At $1,000–$1,500, it delivers Automatic Caliber 80 (Base ETA C07.661) with 80 Hours power reserve.
Check Price on AmazonOris
Big Crown Pointer Date
Choose the Oris Big Crown Pointer Date if you value Modified Sellita Automatic technology, Swiss Made heritage, and 40mm proportions. At $1,500–$2,500, the Automatic Oris 754 (Sellita Base) with 38 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Mido Ocean Star GMT and Oris Big Crown Pointer Date represent two distinct approaches to fine watchmaking — the Mido bringing Swiss Made tradition while Oris delivers Swiss Made engineering.
Frequently Asked Questions
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How This Page Was Made
Our comparisons are generated from a hand-maintained specification database and reviewed under our editorial standards. We use AI tools to assemble pages from that data. We don’t invent specs: every number traces back to the database, and when we correct an entry, the fix is applied site-wide. As an Amazon Associate, The Horologist earns from qualifying purchases.

