Omega Speedmaster Day-Date MK40 3520.53.00 Ben Clymer Discontinued 1997 [Preowned]

Overview 

The Omega Speedmaster Day-Date Mk40 3520.53.00 is a true cult classic within the Speedmaster lineage. This watch boldly departs from the traditional Moonwatch aesthetic, embracing vibrant colors, multi-functionality, and a distinctly 1990s design language. Housed in a compact and highly wearable 39mm stainless steel case, it masterfully brings together a complex dial layout with surprising legibility and everyday charm. Originally introduced in the mid-1990s, the Mk40 has since gained a loyal following among collectors for its eccentric personality and practical appeal.

The black dial is vividly animated with a clever use of color-coded details. You'll find blue for the 24-hour register, red-tipped seconds and chronograph hands, and a bright yellow central pointer for the date. This playful departure from Omega’s typically monochromatic Speedmasters offers a refreshing visual experience. Its comprehensive functions include a triple calendar (day, date, month), 24-hour time, and a full chronograph, all powered by the robust Omega Calibre 1151. This automatic movement, based on the reliable Valjoux 7751, delivers a 44-hour power reserve and the kind of bulletproof reliability ideal for a multi-function daily companion.

Affectionately known as the “Ben Clymer Speedmaster,” this reference gained further notoriety after the founder of HODINKEE credited it as his very first mechanical watch—a cherished gift from his grandfather that sparked his lifelong passion for horology. That anecdote has helped elevate the Mk40 from an underrated reference to a beloved cult favorite, symbolizing the personal stories and emotional connections that watches can carry. For many, it represents not just a watch, but the beginning of a fascinating journey into collecting.

Fitted with a comfortable stainless steel bracelet, a classic domed hesalite crystal, and an engraved caseback, the Speedmaster Day-Date Mk40 showcases a more playful, approachable side of the Speedmaster story. Although now discontinued, it continues to resonate with collectors who appreciate character, sophisticated complications, and the enduring appeal of a watch that helped redefine what a Speedmaster could be—not just for space, but for vibrant everyday life.

Specifications

Condition

Preowned, Excellent condition, Book & Papers dated September 1997. 
No box included. There is an Omega Service Centre receipt is included (for purchase of accessory).

Warranty

1 year warranty from SCW.