The Quill & the Summers

David Mason London's   DM1 series GMT Pilot Watches

Courtesy of David Mason

This is the DM1aGMT - also known as the Quill, so named for the second person to test pilot the Spitfire.

Courtesy of David Mason

And this is the DM1bGMT - the Summers.  Named for the first test pilot of the Spitfire.

Here are the specs -

True GMT Movement , Ronda 515 Swiss parts movement,

3 hands (Hours, Minutes & Seconds),

24 hour red GMT indicator hand,

Date at 4 o’clock

Stainless Steel Case

Case Diameter – 46mm

Case Height – 56mm from two furthest lug points

Case Thickness – 12 mm

Dial - Black with David Mason logo at 12 o’clock

24 hour inner bezel ring activated by separate crown

K1 Scratch resistant Mineral Glass

Super-luminous steel hands

Large super luminous numerals at 3, 6 and 9

Super luminous thick 5 minute markers

Screw down Stainless Steel Case Back, Engraved with DM Logo and individual limited edition serial numbers

Water resistance - 10 atm or 100m

Screw-in Crown at 3 o’clock

24 hour GMT Crown at 4 o’clock

Strap -  leather strap with nu-buck lining and thick white contrast stitching

Steel buckle with DM (David Mason) etched logo

Limited Edition of 100 individually numbered pieces worldwide