The Basics

The BeLOWZERO Auto 46 is perfect for even the most daring of deep water adventures! It is water resistant to a depth of 1,000 meters and is equipped with a helium escape valve. With a thickness of 5.6 mm, the convex crystal – reminiscent of a smooth bubble – is also well prepared for any underwater exploration. The design of the watch reflects its performance capability, boasting such details as a fish symbol, which expresses the extent of the water resistance and a diving mask pictured on both the case back as well as on the special, rubber-feel presentation box.

Brand: Hamilton
Family: Khaki Navy
Reference: H78515333
Name: BeLOWZERO 1000m Auto
Produced: N/A
Limited: No

Below is a detailed look at Hamilton’s model H78515333 from Khaki Navy watch family, including the price, case details and movement features.

Hamilton Khaki Navy H78515333

The Details

Hamilton’s BeLOWZERO 1000m Auto (H78515333) was originally released in N/A. This watch features a automatic movement beating at a frequency of 28800 bph ( 4 Hz) to provide a 38-hour power reserve when fully wound.

The Case

The stainless steel case measures 46mm in diameter and roughly 16.7mm thick, with 24mm lug width. The round case is paired with a black color dial with arrow-shaped hands, and a arabic numerals hour markers and minute track, covered by a sapphire glass. Hamilton’s Khaki Navy model H78515333 is water resistant up to 1000 meters (3281 ft). A solid caseback is over the back of the watch case.

Material: Stainless steel
Glass: Sapphire
Back: Solid
Shape: Round
Diameter: 46mm
Height: 16.7mm
Lug Width: 24mm
W/R: 1000

Case Diameter

Case Thickness

Lug Width

Water Resistance

The Movement

The Khaki Navy H78515333 movement is a powered by caliber 2826-2 made by ETA. The 25-jewel automatic movement is 25.6mm in diameter. Its balance wheel oscillates at 28,800 semi-oscillations per hour or 4 Hz. This movement offers a 38-hour power reserve.

Type: Automatic
Brand: ETA
Caliber: 2826-2
Base: ETA 2824-2
Display: Analog
Diameter: 25.6mm
Jewels: 25
Reserve: 38 hours
Frequency: 28800 bph
Time: Hours, Minutes, Seconds

The Price

How much does the Hamilton’s Khaki Navy H78515333 cost? This watch was introduced in N/A and has been in Hamilton’s collection for around . This watch is not a limited release. As with most luxury watches, the price of depends on the availability and demand.


For more information, visit Hamilton online.


  • Brand: Hamilton
  • Model: BeLOWZERO 1000m Auto
  • Reference Number: H78515333
  • Limited: No

Case & Dial:

  • Material: Stainless steel
  • Glass: Sapphire
  • Back: Solid
  • Diameter: 46
  • Thickness: 16.7
  • Lug Width: 24
  • Dial Color: Black
  • Indexes: Arabic Numerals and Arrow-shaped hands
  • Water Resistance: 1000 meters


  • Winding: Automatic
  • Brand: ETA
  • Caliber: 2826-2
  • Display: Analog
  • Diameter: 25.6mm
  • Jewels: 25
  • Power Reserve: 38 hours
  • Frequency: 28800 bph
  • Functions: Hours, Minutes, Seconds

About Hamilton

Hamilton logo

Founded in 1892 in Lancaster, Pennsylvania, Hamilton is now headquarted in Bienne, Switzerland, under the ownership of the Swatch Group. Its collections include the Khaki Aviation, Khaki Field, Jazzmaster, and Timeless Classic lines. Hamilton is part of the Swatch Group group.

View all Hamilton watches.

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