Kensington Watches
Rotary RGB10005/24 Seamatic 300 GMT Automatic Bracelet Watch - W13370

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Rotary

Rotary RGB10005/24 Seamatic 300 GMT Automatic Bracelet Watch - W13370

Ref. RGB10005/24

Among our 169 Rotary watchesThis watch£349
Premium

Sits in Rotary’s upper tier here — more premium than three quarters of the Rotary watches we list, which start at £74.

Price range £74 to £379 across 169 Rotary watches in stock.

The Seamatic line is Rotary's argument that a serious dive-rated GMT need not come with a serious price attached — and this reference makes the case in olive green, a colour that reads differently from the standard navy or black dial that dominates the category. The two-tone GMT bezel carries the same green through it, so the watch reads as a considered whole rather than a diver with a complication bolted on. At 13.8mm thick, the case is notably slim for a watch rated to 300 metres — most tools built for that depth wear the depth on their wrists, and this one does not. The jubilee bracelet suits the dresser side of the dial's character, giving it enough presence for travel without committing entirely to the rubber-strap crowd.

Reference
RGB10005/24
Brand
Rotary
Case size
42mm
Case material
Two-tone
Case shape
Round
Dial
Green
Crystal
Sapphire
Bezel
Bidirectional rotating
Movement
Automatic
Functions
GMT
Water resistance
300m
Bracelet / strap
Stainless steel bracelet
Strap colour
Two-tone
Lume
Luminous
Retailer
Goldsmiths
Learn more about Rotary

Moise Dreyfuss started Rotary in La Chaux-de-Fonds in 1895. Within a generation his sons Georges and Sylvain had opened a London office and begun exporting to Britain, which turned out to be the decision that defined the company: Britain became, and remains, Rotary's most important market.

The winged wheel logo arrived in 1925 and has barely changed since. It became familiar enough in British high streets that the brand is widely taken for British, despite the Swiss origin.

Rotary supplied watches to the British Army, and the wartime and post-war association gave it a foothold in a market where an affordable, dependable Swiss watch was exactly what most buyers wanted.

The family held the company for over a century, making it for a long time the oldest family-owned Swiss watchmaker still trading. Ownership passed to Hong Kong's Citychamp in 2014, and in February 2025 to the UK's Peers Hardy Group.

The modern range sits at the accessible end — quartz and automatic dress watches, divers and chronographs, with the Henley, Windsor and Legacy lines carrying the collection.

1895
Founded in La Chaux-de-Fonds by Moise Dreyfuss.
1920s
Georges and Sylvain Dreyfuss begin exporting to Britain.
1925
The winged wheel logo is introduced.
2014
Acquired by Citychamp after more than a century in family hands.
2025
Bought by the UK's Peers Hardy Group.

All Rotary watches

Also in 6 collections

This watch appears in Back in Stock (4,868), Automatic Watches (1,750), Sports Watches (800), Dive Watches (572), Two-Tone Watches (471) and Green Dial Watches (445).

Manufacturer’s guarantee

Best of 2 retailers

What the specifications mean

A mechanical watch built to be worn hard and got wet.

Strengths

  • 300m water resistance, rated for actual diving
  • Sapphire crystal, which resists scratching
  • Luminous hands and markers for low light
  • Second time zone for travelling
  • One of Rotary's more premium watches
Best forDivingSwimmingTravelEveryday wear

Rotary RGB10005/24 Seamatic 300 GMT alternatives

Watches from other brands at a similar price, style and size, so you can see what else your budget can buy.

RGB10005/24 Seamatic 300 GMT Automatic Bracelet Watch - W13370 compared with 2 alternatives from other brands
SpecificationThis watchRGB10005/24 Seamatic 300 GMT Automatic Bracelet Watch - W13370RGB10005/24OrientRA-AA0824L Mako Automatic Bracelet Watch - W29127RA-AA0824LBulovaMarine Star 98B466 Automatic Bracelet Watch - W0940498B466
Price£349£375£369
Case size42mm41.8mm41mm
Water resistance300m200m200m
MovementAutomaticAutomaticAutomatic
StrapStainless steel braceletStainless steel braceletStainless steel bracelet
Power reserve—40 hours42 hours
This watch
  • Rated shallower
  • Rated shallower

Your new watch

Frequently asked questions, and things you should know about this watch

Can I swim with it?

Yes. At 300m it is rated for swimming, snorkelling and recreational diving.

Water resistance explained

Will the glass scratch?

Unlikely. Sapphire is second only to diamond in hardness and shrugs off everyday marking.

Sapphire, mineral and acrylic compared

Does it need a battery?

No. It is automatic — the motion of your wrist winds it, and there is no cell to replace.

Quartz, automatic and solar compared

Is it a men's or women's watch?

Listed as men's.

Cheapest place to buy

Both F.Hinds and Goldsmiths list it at £349, so choose on delivery and warranty rather than price.

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