Ball Watch Co. Trainmaster Automatic, White Dial, Ref. NM1056D Case: 41 mm, stainless steel, three body, six screw exhibition case back, No. 7602880 Dial: white dial, black Arabic numerals, date aperture at 3 o'clock, power reserve indicator at 7 o'clock, blue spade hour hand, syringe minute and second hand Movement: automatic winding, Ball Caliber RR1702, power reserve of approximately 42 hours Band: 7 1/2 inch steel bracelet with double deployant clasp HID03101062020 © 2026 Heritage Auctions | All Rights Reserved www.HA.com/TexasAuctioneerLicenseNotice

Type: Ball Watch Co. Trainmaster Automatic, White Dial, Ref. NM1056D
Dial: white dial, black Arabic numerals, date aperture at 3 o'clock, power reserve indicator at 7 o'clock
Hands: blue spade hour hand, syringe minute and second hand
Metal: stainless steel
Case: #No. 7602880
Case Info: three body, six screw exhibition case back
Case Width: 41 mm
Case Thickness: 12.5 mm
Crystal: sapphire
Watch Movement: automatic winding, Ball Caliber RR1702, power reserve of approximately 42 hours
Band: 7 1/2 inch steel bracelet with double deployant clasp
Condition: Watch has very light scratching on bracelet and case, but is in overall good condition and sets and runs as intended. Heritage does not guarantee timekeeping accuracy. We always recommend servicing for daily use and timekeeping accuracy. Heritage Auctions strongly encourages in-person inspection of items by the bidder. Statements by Heritage regarding the condition of objects are for guidance only and should not be relied upon as statements of fact, and do not constitute a representation, warranty, or assumption of liability by Heritage. All lots offered are sold "AS IS"