Oak & Oscar The Humboldt ExP-02vsSartory Billard SB04-E
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Oak & Oscar The Humboldt ExP-02 is a 39.5mm stainless steel tool watch featuring a unique, layered aluminum "ghost dial" for legibility and 200m water resistance, powered by a Sellita SW300 movement. Its appeal is limited by a US$2,550 price and an extremely limited production of 20 pieces, with its experimental dial construction done in Chicago. Overall, reviewers highlight the endearing dial and in-house bezel production as key features of the Oak & Oscar Humboldt ExP-02.
The Sartory Billard SB04-E is widely praised for its impressive and deep dials, with one owner highlighting the unreal, moving appearance of the blue guilloché. Reviewers note its sensible 39.5mm wearability and composition that looks more expensive than its price, with customization options also called out as a key strength. The La Joux-Perret G101 automatic movement powers the watch, offering a 68-hour power reserve. Some owners point out that the caseback has slightly sharp edges and the crystal could be more domed. On balance, owners and reviewers rate the Sartory Billard SB04-E highly for its visually striking dials and overall value proposition.
At a glance
15 of 29 specs differFull specifications
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6 specsCrystal & Dial
4 specsMovement
4 specsPricing
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