This Hamilton American Classic PSR 74 draws its heritage from the original Hamilton Pulsar, a watch that redefined digital timekeeping in the 1970s
31 mm: all watches with a case diameter of 31 millimeters. Or a length or width of 31 millimeters when the case is not round. As some watches have another shape like oval, cushion-shaped, square or rectangle.
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We provide the sizes that watch brands communicate, sometimes it differs a bit. Unless stated otherwise the diameter or size is without the crown(s) or pusher(s).
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And 31 mm is about 1.22 inch.
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31 mm watches
The Rolex Oyster Perpetual Celebration is one of the most colorful models the brand recently released