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Citizen unveils two more military-inspired Eco-Drive watches with smaller 40 mm cases

Pictured, from left to right - the Citizen AW1877-09X and AW1870-08A. (Image source: Joyeria Pato)
Pictured, from left to right - the Citizen AW1877-09X and AW1870-08A. (Image source: Joyeria Pato)
Citizen Spain has launched two brand-new military-inspired field watches to its "OF" collection , the AW1870-08A and AW1877-09X. These 40 mm stainless steel models feature the solar-powered J810 Eco-Drive caliber and are priced from €143.10 (approx. $170 USD).

Citizen Spain has officially announced another pair of military-inspired watches for its new catalog: the AW1870-08A and the AW1877-09X. These models are designed with a classic field watch design, with the priority being visibility and construction over any other complications. Both timepieces have a 40 mm case diameter with a thickness of 10.4 mm, with a more compact and historically accurate profile compared to the 43 mm Citizen aviation chronographs we covered recently.

The AW1870-08A features a silver-tone steel case with a matte white dial and bold black Arabic hour numerals. A red minute track is present for color contrast, while the black handset is treated with a luminous coating for low-light visibility. In contrast, the AW1877-09X has a more contemporary "stealth" vibem. It utilizes a grey PVD-coated steel case and a textured olive green dial. Both references are bundled with heavy-duty green nylon straps with traditional buckle closures to stay faithful to the "field watch" designation.

The two new references are driven by the Caliber J810 Eco-Drive movement. This light-powered quartz engine maintains an 8-month power reserve on a full charge and features a simple date window at the 3 o'clock position. While the watches are marketed with a 10-bar (100-meter) water resistance rating and a threaded (screw-down) case back, the inclusion of mineral glass rather than sapphire could be undesirable to some potential buyers. Pricing in the Spanish market (Joyeria Pato) starts at €143.10 (approx. $169.45 USD) for the silver model and €152.10 (approx. $180.10 USD) for the grey PVD variant.

Buy the Citizen BN0150-28E on Amazon.

Source(s)

Joyeria Pato (1) (2)

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> Expert Reviews and News on Laptops, Smartphones and Tech Innovations > News > News Archive > Newsarchive 2026 01 > Citizen unveils two more military-inspired Eco-Drive watches with smaller 40 mm cases
Anubhav Sharma, 2026-01-26 (Update: 2026-01-26)