Aquastar Deepstar IIvsBlancpain Fifty Fathoms Automatique

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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.

Deepstar II

Fifty Fathoms Automatique
Diameter
37mm
38.2mm
Lug-to-Lug
46mm
n/a
Thickness
12mm
12mm
Water Resistance
200m
300m
highest
Power Reserve
n/a
100h
MSRP
n/a
$18,600
Movement
Sellita SW290-1
1150
Case
6 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 Aquastar Deepstar II for its comfortable 37mm wearability, vintage aesthetic, and excellent value. Reviewers and owners alike highlight its smooth-winding Sellita SW290-1 movement, remarkable timekeeping, and legible dial with excellent lume. The updated beads-of-rice bracelet with a diver extension is considered a worthwhile upgrade, and the included grey tropic strap is notably supple. Some owners, however, find the 37mm case diameter too small, despite the 47mm lug-to-lug contributing to a larger perceived wrist presence. One owner dislikes the small seconds subdial, finding it interrupts the dial's aesthetic. Overall, owners and reviewers rate the Aquastar Deepstar II highly for its vintage charm, comfortable wearability, and strong value proposition.
The vintage design and 37mm case size are praised. The price point is considered a strong point by one reviewer, while another suggests it may limit its appeal.
Owners and reviewers praise the Blancpain Fifty Fathoms Automatique for its timeless, classic design and exceptional legibility, with a virtually scratch-proof sapphire crystal bezel featuring luminous numerals and generous Super-LumiNova. The movement is noted for its expert finishing and haute horlogerie decorations. Some owners find the 38.2mm case size potentially too small, while others praise the 40.3mm diameter as "Goldilocks proportions" for comfortable wear on smaller wrists. On balance, owners and reviewers rate the Blancpain Fifty Fathoms Automatique highly for its classic design and high-quality finishing.
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