Omega Seamaster Diver 300M Chronograph watch

Omega Seamaster Diver 300M Chronograph

Omega Seamaster · Ref. 210.30.44.51.01.001

About This Watch

The Omega Seamaster Diver 300M Chronograph adds timing capability to the iconic Seamaster diver. Powered by the caliber 9900 — the same column-wheel chronograph movement used in the Speedmaster Racing — this watch combines 300 meters of water resistance with a fully functional chronograph. The 44mm case accommodates the larger movement and chronograph pushers while retaining the Seamaster 300M's signature wave-pattern ceramic dial, ceramic bezel, and helium escape valve. The two subdials display 12-hour and 60-minute chronograph registers. Despite its size, the watch is well-proportioned and wears comfortably thanks to the ergonomic case shape and articulating bracelet. The 9900 features a column-wheel mechanism for smooth pusher operation and a Co-Axial escapement for long-term accuracy. This is the Seamaster for those who want both diving and timing functions in a single, luxurious package. It competes favorably with the Tudor Heritage Black Bay Chrono and Breitling SuperOcean Heritage Chronograph.

In-Depth Review

# Omega Seamaster Diver 300M Chronograph Editorial

The modern tool watch occupies a peculiar space in horological hierarchy—expensive enough to demand serious consideration, yet purposeful enough to justify daily wear without guilt. Omega's Seamaster Diver 300M Chronograph exemplifies this balance. Introduced in 2019 as part of Omega's significant Seamaster refresh, this 44mm chronograph inherits six decades of diving watch credibility while incorporating contemporary materials and manufacturing precision. The black ceramic dial, laser-engraved with wave patterns that catch light subtly rather than scream for attention, signals restrained confidence. Beneath the sapphire crystal sits Omega's 9900 caliber—a workhorse automatic movement offering an exceptional 60-hour power reserve, eliminating the need to wind the watch after weekend breaks. The helium escape valve, a feature borrowed from professional saturation diving equipment, adds genuine technical capability rather than cosmetic complexity.

This watch targets the seasoned collector who views horology as functional art. It appeals equally to the accomplished diver, the corporate executive seeking Swiss legitimacy without ostentation, and the enthusiast ready to graduate from entry-level sports watches. At its market price of approximately six thousand dollars, it performs considerably above its pay grade compared to similarly priced alternatives. The Tudor Black Bay Chronograph and Breitling Superocean Chronograph represent serious competitors, yet neither matches Omega's technical specifications or the Seamaster's refined integration of chronograph and diving tool. For those unwilling to compromise between professional capability and accessible luxury, this remains a notably intelligent investment in mechanical watchmaking.

Specifications

Movement

Movement TypeAutomatic
CaliberOmega 9900
Power Reserve60 hours
Frequency28,800 vph
Jewels33

Case

Case Diameter44.0mm
Case Thickness17.0mm
Case MaterialStainless Steel
CrystalSapphire with anti-reflective coating
BezelUnidirectional rotating, black ceramic with white enamel diving scale
Dial ColorBlack ceramic with laser-engraved waves
Lug Width22mm
Lug-to-Lug52.0mm

Features

Water Resistance300m / 984ft
Bracelet/StrapStainless steel bracelet
ClaspFolding clasp with diver extension
Weight215g
Complications
ChronographDateHelium Escape Valve

Pricing

Retail (MSRP)
$8,350
Market Price
$6,200