The Hamilton Khaki Navy | family history
The Khaki Navy is Hamilton's naval-themed sport line. The Frogman (300m diver with ceramic bezel, in-house H-10) is the family's most capable reference; the BeLOWZERO addresses sub-zero operation. The line draws on Hamilton's US naval service history and positions the brand in the tool-dive and maritime-instrument category against Oris Aquis at similar pricing.
Hamilton’s dive line: Khaki Navy Scuba (40mm, 100m) and Khaki Navy Frogman (42mm, 1000m) carry the brand’s nautical heritage from the WWII US Navy MIL-SPEC marine chronometers. The H-10 caliber and 80-hour reserve are the contemporary baseline.
2002-2015 · Early Khaki Navy, ETA-based calibers
Hamilton introduced the Khaki Navy as a naval-aesthetic complement to the field and aviation lines. Early references were ETA-based with maritime instrument cases. The family competed at the entry tier of the dive and military-nautical market.
No references from this era in the catalog yet.
2015-present · Frogman and BeLOWZERO
The Frogman (300m, ceramic bezel, H-10 in-house caliber) and BeLOWZERO (sub-zero certified, H-10, 100m) defined the contemporary Khaki Navy. The Frogman at under $1,200 is the most capable diver Hamilton makes and competes directly with the Oris Aquis and Tudor Pelagos at lower entry pricing.
No references from this era in the catalog yet.
How to read this family
Two honest questions for any Khaki Navy buyer:
- Khaki Navy or Khaki Field? The Khaki Field is the more wearable, more versatile watch for daily use. The Khaki Navy is for buyers who want a genuine dive or maritime-instrument aesthetic. Both are excellent at their price points; the choice is primarily aesthetic.
- Frogman or Oris Aquis at a similar price? The Oris Aquis has better bracelet quality and more collector following. The Hamilton Frogman has the in-house H-10 caliber and a more aggressive case design. The Aquis is the more refined choice; the Frogman is the more durable-looking tool.
Related families: Khaki Field · Oris Aquis
References in this family
Which ref to buy
The Khaki Navy Scuba Auto is Hamilton's dive watch in the Khaki military family -- 100m water resistance, unidirectional bezel, automatic movement. The Navy Scuba is on the lighter specification side for a serious diver but serves as a rugged daily automatic in the $400-700 range.
- 1Open
Hamilton Khaki Navy Scuba Auto -- rugged daily automatic diver, honest price, military-influenced design.
- The case for it:
- ETA-based automatic, 100m water resistance, unidirectional bezel, clean legible dial. The Khaki Navy Scuba wears as a daily sport watch without requiring special handling. Hamilton's military heritage gives it a character that pure value-play divers lack.
- Consider instead if:
- Only 100m WR is limiting for a dedicated diver -- the Seiko Turtle and Longines HydroConquest both offer 200m+ at comparable pricing. The Khaki Navy Scuba is better positioned as a casual sport watch than a working diver.
Rankings last reviewed 2026-06-07. Editorial perspective only. Not financial advice.