Glycine Combat Sub Chronograph SportvsSeiko Astron

Owners widely praise the Glycine Combat Sub Chronograph Sport for its exceptional value as a Swiss automatic diver, highlighting its refined finishing, thin profile at around 10.4-10.8mm, and accurate movements. The watch is noted for its comfortable wearability, with downward-curving lugs on the 42mm case making it wear smaller than its dimensions suggest, and its unique aesthetic is appreciated for avoiding homage designs. Some owners dislike the "COMBAT" text on the dial and find the original strap or bracelet to be lacking, though it is considered a versatile "strap monster." The lume is described as sub-par by one owner, and another noted an inconsistent power reserve. There is a design critique regarding the date window placement, with one owner calling it a significant flaw while another finds it acceptable due to its alignment with the crown.

Owners widely praise the Seiko Astron for its spectacular time-telling technology, GPS time sync, and grab-and-go convenience, with many calling it the best watch they have ever owned. Reviewers and owners highlight the well-managed dial detail, textured hour markers, and high-contrast edges, as well as the well-finished case and bracelet. Some find the lightweight titanium build and quick bracelet adjustment contribute to comfortable wearability. Accuracy is noted as +/- 15 seconds per month without GPS, though the autonomous quartz movement can be easily reset by looking at the sky. Criticisms include DST not being automatically implemented, recessed buttons requiring a sharp object for adjustment, and sparse lume with no 12 o'clock marker. Some owners feel the price point is too expensive for its aesthetic appeal. Overall, owners rate the Seiko Astron highly for its advanced time-telling technology and convenient features.