Apple SVP Phil Schiller celebrated Pi day on Twitter with an amusing tease: a screenshot of his Apple Watch clock face at 9:26:53. Obviously, combined with the date this makes 3.14.15 9:26:53 — the first ten digits of π.

From the screenshot, you can see Schiller is using with a green second hand and a moon phase complication. The resolution of the screenshot reveals Schiller wears a 42 mm model.

Apple Watch is available for preorder on April 10th, with devices shipping in nine countries on April 24th.

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Benjamin Mayo

Benjamin develops iOS apps professionally and covers Apple news and rumors for 9to5Mac. Listen to Benjamin, every week, on the Happy Hour podcast. Check out his personal blog. Message Benjamin over email or Twitter.