Certina DS-1 Chrono AutovsSeagull 70th Anniversary Rattrapante Split Second Chronograph Limited Edition 42.5mm


Ref. seagull-70th-anniversary-rattrapante-chronograph-mens-leisure-mechanical-watch-1077·MSRP $3,480
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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

DS-1 Chrono Auto

70th Anniversary Rattrapante Split Second Chronograph Limited Edition 42.5mm
Diameter
42mm
42.5mm
Lug-to-Lug
49.7mm
49.5mm
lowest
Thickness
14.3mm
lowest
16mm
Water Resistance
100m
highest
50m
Power Reserve
n/a
45h
MSRP
$2,164
lowest
$3,480
Movement
Tissot Valjoux A05.231
ST1961
Case
6 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Certina DS-1 Chrono Auto for its elegant design, value, and 100m water resistance. Reviewers highlight its handsome, sober tool-like demeanor and good build quality from Swatch Group. One owner notes the watch is a dressier option than a dive watch, appreciating its Super-LumiNova and AR sapphire crystal. The 42mm case is described as not feeling too large due to a relatively thin profile. Some owners report the included leather strap can be uncomfortable and the clasp sharp. One reviewer noted the date window on a similar model appeared disproportionate and the crystal attracted glare due to a lack of AR coating, though other sources mention AR sapphire crystal. Accuracy figures vary, with one owner seeing +4s/day and another noting the Valjoux A05.231 movement. Overall, owners and reviewers rate the Certina DS-1 Chrono Auto highly for its handsome design and strong value proposition.
The Seagull 70th Anniversary Rattrapante Split Second Chronograph Limited Edition Watch 42.5mm is widely recognized as the most accessible rattrapante chronograph on the market, with a price point around $3,500, offering exceptional value. Owners appreciate the complex ST1961 manual-wind movement, an evolution of the ST1901 that enables the split-second function. However, one owner notes a preference for the ST19's Venus 175 derivation over the ETA 7750-like elements used for control in this model. Some owners also report that on the 42.5mm case, the minute hand does not reach the chapter ring and appears to be repurposed from a smaller model. Overall, owners and reviewers consider the Seagull 70th Anniversary Rattrapante Split Second Chronograph Limited Edition Watch 42.5mm a great bargain, particularly when compared to the cost of vintage chronographs with similar complications.
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