Oris · Great
Oris Great Barrier Reef Limited Edition IV (reference 01 400 7790 4185-Set) — specifications, measurements, watch images and standardized wrist-fit previews for informed comparison.
Oris Great Barrier Reef Limited Edition IV uses a 43.5 mm stainless steel case. an automatic movement (Calibre 400). 300 m water resistance. about 120 hours of power reserve.
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Specifications last verified: 2026-08-14.
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