Orologi Calamai G50 FrecciavsSeiko Prospex Speedtimer Mechanical Datsun 240Z Limited Edition
lug2lug doesn't sell watches. Buy links open the brand's or seller's own site. Some links are affiliate links: lug2lug may earn a commission at no extra cost to you. Disclosures
Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

G50 Freccia

Prospex Speedtimer Mechanical Datsun 240Z Limited Edition
Diameter
40mm
39.5mm
Lug-to-Lug
47.5mm
44.5mm
lowest
Thickness
14.4mm
12mm
lowest
Water Resistance
50m
200m
highest
Power Reserve
48h
72h
highest
MSRP
$3,190
$1,150
lowest
Movement
Sellita SW510
Seiko 6R55
Case
4 specsCrystal & Dial
4 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Orologi Calamai G50 Freccia is noted for its 40mm case size and Sellita SW510 automatic movement. Owners highlight the unique case material, reportedly derived from a Lockheed F-104 Starfighter turbine, and a price point of €2950. One reviewer found the 38mm size of a related model to be a welcome departure from oversized pilot watches. Overall, owners and reviewers appreciate the Orologi Calamai G50 Freccia for its distinctive case material and compelling narrative at its price point.
Owners widely praise the Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition for its vintage racing concept, applied markers, and dial that shifts from cream to silver with orange accents. Some owners note Seiko's top-notch finishing compared to microbrands and appreciate the comfortable bracelet and dual crowns. However, some owners find the dial text cluttered, particularly "Automatic 3 Days," and consider the price point too high, suggesting a lower figure would be more appropriate. One reviewer flags the 39.5mm size as potentially too small, while another notes the lack of screw-down crowns, though still finds the 20 bar water resistance impressive. On balance, owners rate the Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition highly for its vintage inspiration and solid finishing, despite some reservations about its pricing and dial text.
Similar watches
Matched to the watches above on size, movement, style and price, microbrands first. Open any one to dig in.
Also compared
Comparisons nearby in the catalog: alternatives to the watches above paired against the matchup.








