Side by side

Citizen Promaster Air GMTvsFormex Reef 42 mm

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Promaster Air GMT
CitizenPromaster Air GMT
MSRP $1,195
Reef 42 mm
FormexReef 42 mm
MSRP $2,414

At a glance

11 of 29 specs differ
Diameter
Promaster Air GMT44.5mm
Reef 42 mm42mm
Power Reserve
Promaster Air GMT50h
Reef 42 mm56h
Water Resistance
Promaster Air GMT200m
Reef 42 mm300m
MSRP
Promaster Air GMT$1,195
Reef 42 mm$2,414

Full specifications

Case

5 specs
Category
Pilot
Diver
Diameter
44.5mm
42mm
Thickness
12mm
11.4mm
Lug-to-Lug
46mm
47mm
Water Resistance
200m
300m

Crystal & Dial

3 specs
AR Coating
Underside
Inner
Dial Color
Navy
Black
Lume
None
Super-LumiNova

Movement

2 specs
Caliber
9054
Sellita SW300-1
Power Reserve
50h
56h

Pricing

1 specs
MSRP
$1,195
$2,414

Follow this matchup

Get a note when Citizen Promaster Air GMT vs Formex Reef 42 mm gets more votes, a community discussion, or a price drop. No account needed.

What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Citizen Promaster Air GMT

The Citizen Promaster Air GMT is widely praised for its impressive in-house Cal. 9054 automatic GMT movement, excellent case fit and finish, and a high-quality bracelet for its price point. Reviewers highlight its striking anti-reflective domed sapphire crystal, legible dial with large numerals, and long-lasting lume. However, its 44.5mm dimensions are considered unfashionably large, and the case design is described as uninspired. The independent hour jumping is noted as mushy and unable to be set backward, while the unframed 3 o'clock date window and minute track on the rehaut being obscured by case shadows are also flagged as drawbacks. The watch is priced at $1,125 USD and features 200m water resistance and a 50-hour power reserve. On balance, reviewers commend the Citizen Promaster Air GMT for its strong movement and legibility at an affordable price, despite reservations about its case size and some functional aspects of the GMT hand.

Formex Reef 42 mm

The Formex Reef 42 mm is widely praised for its comfortable bracelet featuring a micro-adjust clasp, COSC-certified Sellita movement, and excellent build quality. Owners appreciate the gradient dial's visual appeal and the overall wearability. Some owners note the seconds hand does not perfectly align with markers, and one owner found the lugs' taper hinders third-party strap fit. The bracelet's length and sporty design are noted as limiting versatility by some. On balance, owners and reviewers rate the Formex Reef 42 mm highly for its impressive wearability and value at the price point.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.