Automatic cal. 784-02 - step- nice condition For auction: a beautiful and rare Tissot et FilsAutomatic Seastar T12. Rare watch, I cannot find any others on the internet or anywhere else. Mechanical cap. Tissot & Fils signed the automatic movement and the date counter. A rare collector's item. Brand: Tissot Model: T12 Seastar Year: circa 1960s Movement: Automatic Tissot Cal. 784-2 with date display Case: Steel strap: High quality leather, black colour. Diameter: approx. 36 mm without crown and with pin holder 41 mm. Dial: Silver / Off White: Screwed lid. The clock works, but runs a little too fast, gaining about 1.5 minutes in 24 hours so not very much, but in excellent condition; A real collector's item. Will be carefully packaged and shipped with tracking code. See my other lots to save shipping costs.