Sheffield Allsport Diver 1vsSmiths Precista Mission Timer PRS-56
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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.

Allsport Diver 1

Precista Mission Timer PRS-56
Diameter
40mm
40mm
Lug-to-Lug
48mm
44.5mm
lowest
Thickness
13mm
lowest
14.5mm
Water Resistance
200m
highest
100m
MSRP
n/a
$530
Movement
Seiko NH35
ETA 251.264
Case
4 specsCrystal & Dial
1 specsMovement
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Sheffield Allsport Diver 1 for its superb quality and sturdiness at an affordable price, with one owner noting its scratch resistance despite heavy use. The blue dial is a particular highlight, and the watch is considered a substantial upgrade from entry-level options. Some owners note the bezel action could be crisper, and the lack of a quick-set date is a functional drawback for some. One owner found the caseback exceptionally difficult to remove during servicing. Overall, owners rate the Sheffield Allsport Diver 1 highly for its surprising quality and appearance at its price point.
The Smiths PRECISTA MISSION TIMER PRS-56 is widely praised as a unique and versatile watch offering excellent value, featuring a 60-minute chronograph with split-time functionality and a countdown bezel. Owners note the independent hour hand setting and the rarity of central minute chronographs. The ETA 251.264 quartz movement was a special order, as it had been discontinued as a stock item. Purchase requires patience due to limited order windows. Overall, owners rate the Smiths PRECISTA MISSION TIMER PRS-56 highly for its unique features and affordability.
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