Sheffield 1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap)vsYema Diver
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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.

1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap)

Diver
Diameter
38mm
39.5mm
Lug-to-Lug
46mm
n/a
Thickness
12.8mm
10.9mm
lowest
Water Resistance
200m
200m
MSRP
$238
lowest
$990
Movement
Seiko NH35
Sellita SW200-1
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 1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap) for its superb quality and value, with many calling it a no-brainer purchase. Some owners note the bezel action could be crisper, and one user found shipping fees expensive, though the watch itself was considered on point. The Sheffield 1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap) is reported to keep good time at +5-7 seconds per day. On balance, owners rate the Sheffield 1A 38 dive 38mm, 3-hand date (rotating dive dive bezel, perforated rubber strap) highly for its exceptional quality and affordability.
One owner reported a water ingress issue on their Yema Diver the first time it got wet in a lake, despite rinsing and inspecting the watch and bezel. Another owner noted that this manual wind Yema Diver, while featuring a cool patina, is unlikely to be waterproof or gain value, positioning it as a fun second watch rather than an investment. Overall, owners view the Yema Diver as a fun second watch rather than an investment, with one owner experiencing a water ingress issue.
The Swiss Sellita movement is a notable feature. Reviewers did not reach a consensus on any weaknesses.
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