Sea-Gull 819.317 is a bigger version of classic model
M172S. Although ST2505 movement remains the same; the shape of case and crown
look very similar, the diameter is bigger and design of front dial is
different. If you were searching for a bigger M172S type of watch, 819.317
could be the right choice.
Diameter: 42mm excluding crown Thickness: 13mm (case), 14mm(with domed crystal) Lug width: 22mm Weight: 90 grams Crystal: sapphireColor of hands: blue & whiteColor of dial: silverMovement: ST2505 automatic Band Material: genuine leather Unique features: flying wheel, date & power reserve