Circula Watches AquaSport IIvsNivada Grenchen Depthmaster
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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.

AquaSport II

Depthmaster
Diameter
40mm
39mm
Lug-to-Lug
46mm
n/a
Thickness
12.6mm
lowest
13mm
Water Resistance
200m
1000m
highest
Power Reserve
41h
highest
38h
MSRP
n/a
$1,100
Movement
Sellita SW200-1
Sellita SW200-1
Case
5 specsCrystal & Dial
2 specsMovement
1 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners and reviewers widely praise the Circula Watches AquaSport II for its 1970s-inspired design, comfortable 40mm wearability, and attractive dial with applied indices that catches light and shadow. The hand-crafted case finishing is described as incredible, and the lume is spectacular. The bezel action is noted as subtle and solid, and the Sellita SW200-1 automatic movement is considered reliable. The watch is competitively priced starting at EUR 599, with owners finding it offers significant value for the money, often including extra straps. Overall, owners and reviewers rate the Circula Watches AquaSport II highly for its exceptional finishing and value proposition at its price point.
Owners widely praise the Nivada Grenchen Depthmaster for its terrific build quality and vintage charm, noting it looks and feels similar to the original 1960s model and features a reasonable lug-to-lug measurement. Some reviewers highlight its impressive 1000m water resistance within a compact 39mm case and eye-catching dials, with one specific collaboration lauded for its unique seconds hand and charismatic case. However, opinions are split on sizing, with some finding the 39mm case small and wearing on the smaller side, while others praise it as perfect for smaller wrists. One owner found the build quality underwhelming, suggesting alternatives, and another described the folded steel bracelet as having sharp edges. Some also note that certain numeral designs appear rushed, and a specific collaboration's rubber strap was difficult to adjust.
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