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Omega Speedmaster Triple Calendar 3521.30.00 – Steel White Dial

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Details

The Speedmaster that does more in a lighter tone

This Speedmaster Triple Calendar carries the same familiar case shape and overall feel, but the matte white dial shifts the mood completely. The layout is the same, the information is the same, yet the watch feels brighter and more open on the wrist. At 39mm, it remains easy to wear and unmistakably Speedmaster.

Why this configuration matters

The triple calendar layout is what defines this reference. Day, date, and month are worked into the dial in a way that keeps everything balanced. On a matte white backdrop, the display feels clear and intentional rather than dense. This reference sits comfortably between a standard chronograph and something more involved. 

What you need to know before wearing it

Condition is very good throughout. The case, bezel, and bracelet are all in very good shape with no noticeable major flaws. The dial and crystal are clean and well preserved. The movement is running properly and all functions operate as intended. The watch comes with its original card.

Why this watch still works

This is a Speedmaster for someone who wants added functionality without added noise. The matte white dial makes it versatile and easy to pair with anything. It works as a daily chronograph, a more distinctive alternative to the standard Speedmaster, or a thoughtful piece from Omega’s 1990s lineup. Familiar in form, different in tone, and quietly compelling on the wrist.

 

Bracelet extension, cutting, or sizing is available upon request through our professional in-house jewelers.

Key Specs

Reference: 3521.30.00

Model: Speedmaster Triple Calendar

Year: 1990s

Movement: Automatic

Case Size: 39mm

Bezel: Steel

Bracelet: Stainless steel Omega bracelet

Dial: White

Wrist Size: Fits approximately 5.75–6.5 inches

SKU: 428

History

In 1957, Omega released the Speedmaster as a racing chronograph. Eight years later, NASA put it through a battery of extreme tests — temperature, humidity, vacuum, shock, vibration, acceleration — and in 1965 certified it as the official watch for all manned space missions.

On July 20, 1969, Buzz Aldrin wore his Speedmaster on the surface of the Moon. No other watch has been to the Moon. That fact has never stopped mattering to anyone who cares about watches.

The Speedmaster's production history across our inventory is rich: the manual-wind Professional (ref 145.022 from 1969 itself), the Reduced automatic (3510.5, 3511.5, 3511.8 with date), the Triple Calendar series (3521, 3523.3), the Michael Schumacher limited editions (3810.12, 3518.5), and the AC Milan and Schumacher World Champion 2000 editions. Each variant was built on the same essential chassis — the 39mm steel case, the tachymeter bezel — and each one lands somewhere on the continuum between racing instrument and artifact of human achievement.