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Steinhart GMT-OCEAN One 39 blue-red Pepsi diver watch on stainless steel bracelet

Steinhart

Steinhart 103-0848 GMT-OCEAN One 39 Blue-Red Pepsi Watch

SKU CH-652X-8KM8W MPN 103-0848

Swiss automatic diver watch with GMT function, 39 mm steel case, sapphire crystal, 30 ATM water resistance and blue-red aluminium bezel

  • Swiss automatic movement powers reliable timekeeping
  • 30 ATM water resistance handles deep dives
  • Sapphire glass with anti-reflective coating resists scratches
  • GMT hand plus rotating bezel tracks second time zone
  • 39 mm stainless steel case fits comfortably

Diver watch with GMT function

The Steinhart GMT-OCEAN One 39 is a Swiss automatic diver watch built for travel and daily wear. Its ETA 2893-2/SW330 movement tracks a second time zone via a dedicated GMT hand. The 39 mm stainless steel 316L case is waterproof to 30 ATM. A flat sapphire crystal with interior anti-reflective coating protects the black dial.

Aluminium bezel and steel bracelet

The blue-red aluminium bezel works with the GMT hand to display a second time zone at a glance. Super Luminova BGW9 on the hour, minute, central second and GMT hands ensures legibility in darkness. The integrated stainless steel bracelet uses a 20 mm lug width and a screwed buckle. A date magnifier sits at the 3 o'clock position.

Straightforward wrist set-up

The watch arrives on its fitted bracelet with spring bars already seated. Adjust the bracelet length by removing links with a standard pin tool. Set the local time, then pull the screwed crown to the second position to synchronise the GMT hand independently. Check crown tightness before water exposure to maintain the 30 ATM seal.

Highlights

  • Swiss automatic movement powers reliable timekeeping
  • 30 ATM water resistance handles deep dives
  • Sapphire glass with anti-reflective coating resists scratches
  • GMT hand plus rotating bezel tracks second time zone
  • 39 mm stainless steel case fits comfortably

Specifications

BrandSteinhart
Model103-0848

Questions about this item

How often will the ETA 2893-2 automatic movement need servicing?

Mechanical movements of this type typically require professional servicing every three to five years to maintain accuracy and water resistance.

What limits continuous wear of the 39 mm stainless-steel case?

The 13 mm case height and 170 g weight may become noticeable on smaller wrists during all-day wear.

Does the screw-down crown and 30 ATM rating affect daily comfort or heat buildup?

The screw-down crown and 30 ATM sealing add no perceptible heat; the 316 L steel case stays close to skin temperature throughout the day.

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