A rare tank from the golden era of Longines with an unusual dial that was made for the purpose of taking a pulse. Nice case and what appears to be the original strap. Diameter: 20 mm w/out crown, 22 mm w/crown, 38 mm lug to lug. Lug Width: 16 mm at the lugs tapering to 16 mm (will take a 16 mm strap). Gram Weight: 24 grams. Movement: Longines caliber 932 high grade manual wind with fine regulator. Strap/Bracelet: Old leather (possibly original) strap. Case: Stainless steel tank case with serials on caseback, original crown. Dial: White doctor style double dial with hours and minutes upper and 60 seconds bottom portion, painted bullet style markers and blued hands. Condition: 80% (8.0 of 10): nice vintage condition, nice case and dial, working correctly. We are quick to respond, agreeable, and easy. After 4 days, we reserve the right to relist the item, resell the item, or open an Unpaid Item Case. We give you our guarantee that each of our items is verified authentic. Each item we sell passes through our strict authenticity screening. We do not sell suspect, replica, or counterfeit items of any kind. Proud members of the International Watch and Jewelry Guild and National Association of Watch & Clock Collectors, Inc. We take incredible pride in our curated line of vintage, modern, and collectible watches and accessories. Each piece in our collection is hand-selected to represent the absolute best of the market. While we are very strong in vintage pieces, our collection of watches is as versatile as the people who wear them.