Horlobase
enfrde

Comparison · Omega

Omega Moonwatch: Hesalite vs sapphire

Two Omega references, 310.30.42.50.01.001 and 310.30.42.50.01.002, compared on the figures Omega publishes. Both product pages were read again on October 16, 2026.

Illustration of the Omega Speedmaster Moonwatch Professional (Hesalite), to scale Hesalite 310.30.42.50.01.001 Illustration of the Omega Speedmaster Moonwatch Professional (sapphire), to scale Sapphire 310.30.42.50.01.002
Both drawn to the same scale from the published diameter, lug-to-lug and lug width. Colours are read from the official photos.

What differs

  • Same diameter: 42 mm.
  • Thinner case: Sapphire, by 0.36 mm (13.18 mm vs 13.54 mm).
  • Same lug-to-lug: 47.5 mm.
  • Same lug width: 20 mm.
  • Same water resistance: 50 m.
  • Same calibre: 3861.

Side by side

Every figure on this page is the brand’s own, from the product pages listed under Sources.

Specification Hesalite310.30.42.50.01.001 Sapphire310.30.42.50.01.002 Difference
Case material Stainless steel Stainless steel Same
Case diameter 42 mm 42 mm Same
Case thickness 13.54 mm 13.18 mm 0.36 mm
Lug-to-lug 47.5 mm 47.5 mm Same
Lug width 20 mm 20 mm Same
Water resistance 50 m 50 m Same
Calibre 3861 3861 Same
Type Manual-winding chronograph Manual-winding chronograph Same
Power reserve 50 h 50 h Same
Frequency 21,600 vph (3 Hz) 21,600 vph (3 Hz) Same

Sources

Full page and wrist-fit check: Omega Speedmaster Moonwatch Professional (Hesalite), Omega Speedmaster Moonwatch Professional (sapphire)

Other comparisons