2023 GPHG OFFICIAL NOMINATION: Sports Category The Horological Brothers are proud of their heritage as well as the nation they call home, the Netherlands. Inspired by the Dutch 'Delta Works,' Bart and Tim have conceived their first sports utility watch, the aptly named 1969 DeltaWorks which also references the year Bart was born.Build your own 1969 DeltaWorksDial Options: Khaki, Salmon, BlackRubber Strap Options: Olive, Blue, Orange, Black, WhiteInserts: Rubber clad or Stainless steelClick the "Request More Info" button to inquire about availability.When designing this watch, Bart & Tim wanted to produce a model that indulged purists with a remarkable choice of colors and styles. The 1969 DeltaWorks is available with three different dial designs/colors, 5 different strap options and finally, a choice of stainless steel inserts or color-coordinated FKM rubber-clad inserts. The model is designed to cope with the perils of water ingress and shocks while still upholding the elevated standards of horology and traditional craftsmanship that are synonymous with the Grönefeld name. TECHNICAL SPECIFICATIONSCaliberG-06Movement dimensions- Diameter: 32 mm- Thickness: 5.5 mmNumber of parts231Power reserve56 hoursNumber of jewels31 jewels, partially set in solid gold chatons.Automatic system- Uni-directional winding mechanism- For 24 hours of autonomy 633 rotations of the Oscillating mass are requiredOscillating mass- Entirely decorated by hand- 18k solid gold segment- Stainless steel center pivoted on a high precision ceramic ball to avoid excessive wear. To prevent damage to the movement and winding mass the extremities of the 4 arms are extended and guided by the case and case-back.Balance wheelVariable-inertia balance wheel with four white gold timing screws (diameter 10mm)Frequency21,600 vibrations/hourBalance springFree sprung with triangle hairspring studEscapementJewelled Swiss leverMain plateSpotted & ruthenium electroplated brass main plateBridges- Stainless steel, bevels polished by hand, micro-blasted center- Circular grain on the top to highlight the bridges shapes and relief engravingsDisplays- Central hours and minutes- Small seconds at 6 o'clockNumber of components68 partsDimensions- 44.5mm (Diameter including case inserts)- 43.3mm (Diameter bezel)- 12.5mm (Thickness)- 53mm (Lug-to-lug)Water resistance10 ATM / 100 meters (330 feet)MaterialStainless steel AISI 316L (1.4435)Crown- Screw down crown- Triple gaskets with upright logoHands- Flame-blued or polished steel extended Lancette hands with blue light emitting SuperLumiNova® Grade X1- Small poised seconds handStrap- Integrated FKM rubber strap available in black, olive, blue, white, or orange- 20mm-18mmClasp- Stainless steel 316L micro adjustable (7 increments over 9mm)- Embossed Grönefeld and logo engraving- Open must be done by operating both push buttons at onceCrystals- Domed sapphire crystal on the front with hard anti-reflective coating on both sides. - Flat sapphire crystal on the back with hard anti-reflective coating on both sidesTotal weightStainless Steel 135 Grams Oster Jewelers is Your Authorized Grönefeld Retail Partner
