Silver-tone stainless steel case, fixed black tachymeter scale bezel with black PVD coating and polished inner edges, black dial featuring silver-tone hands and index hour markers, minute markers along the outer rim, analog dial type equipped with luminous coating for hour and minute markers enhancing legibility in low light. Movement is manual wind mechanical chronograph movement powered by an automatic column wheel caliber master Chronometer certified chronometer (5 days power reserve). Functions include a running seconds sub-dial displaying elapsed minutes from 0-30, hours from 0-12, and seconds from 0-60 directly visible via the central second hand. Caseback is solid stainless steel with screw-in capability. Round case shape measures 42 mm diameter including lugs. Clasp is a folding over clasp equipped with safety release mechanism. Watch label indicates Swiss Made origin for this Speedmaster series men's wristwatch model number 3597.09.
