Marathon Steel Navigator SSNAV-D AutovsHelgray Skyfighter (Refurbished)

The Marathon Steel Navigator SSNAV-D Auto is praised for its durable construction, featuring a sandblasted steel case with improved lugs, a bi-directional bezel with excellent action, and 100m water resistance. Owners appreciate the constant visibility provided by self-illuminating tritium gas tubes and the precision of its ETA F06.412 quartz movement, which offers accuracy to about 10 seconds per year. The watch includes a GMT bezel for dual timekeeping and a synthetic sapphire crystal. Overall, owners and reviewers rate the Marathon Steel Navigator SSNAV-D Auto highly for its robust tool-watch design and reliable tritium illumination.

Owners widely praise the Helgray Skyfighter (Refurbished) for its handsome, sporty yet understated design, finding it versatile and good value at its price point. One owner notes the watch is in excellent condition with no marks on the case or crystal, and only minor scuffs on the caseback. However, the brand faces criticism for poor build quality, low-quality movements, and a lack of customer service. On balance, owners find the Helgray Skyfighter (Refurbished) to be a versatile and well-priced quartz chronograph, despite concerns about the brand's overall quality and service.