Straum Opphav BlackvsYema Flygraf Pilot
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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.

Opphav Black

Flygraf Pilot
Diameter
41mm
38.5mm
Lug-to-Lug
46.6mm
n/a
Thickness
11.1mm
8.8mm
lowest
Water Resistance
100m
100m
Power Reserve
38h
n/a
MSRP
$900
lowest
$990
Movement
Sellita SW200-1
Sellita SW200-1
Case
6 specsMovement
1 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Straum Opphav Black is widely praised for its exceptional dial design, with owners and reviewers highlighting its unique, nature-inspired colors and dramatic, textured surfaces that create a floating dial effect. The finishing on the dial and case is consistently described as high quality, with some owners feeling it rivals watches costing significantly more. The bracelet also receives positive remarks for its build and design, though one owner found the clasp development lagged behind. Some owners note that the crown guards can slightly impede winding, but this is generally considered a minor issue easily overcome by shaking the watch. Opinions are mixed on the dial color, with one owner finding the green less appealing than pictured, and another finds the proportions awkward due to the wide case and short lug-to-lug distance. Overall, owners and reviewers rate the Straum Opphav Black highly for its impressive dial and case finishing at its price point.
Owners widely praise the Yema Flygraf Pilot's functional, industrial aesthetic and legible Type A dial, with its 38.5mm titanium case noted for wearability. Some owners flag potential quality control and customer service concerns, and one owner reports the titanium case scratches more easily. Accuracy figures range from +8 to +/- 10 seconds per day, and the watch features a date complication. Overall, owners find the Yema Flygraf Pilot appealing for its design and wearability, though some express reservations about brand-level quality control and customer service.
The watch's vintage aesthetic and legible sector dial are praised. The 38.5mm case size is also a recurring positive point.
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