Side by side

Citizen Promaster DivervsResco Custom C-ref: RTAC Custom GMT (Stainless)

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

Promaster Diver
CitizenPromaster Diver
MSRP $431
Custom C-ref: RTAC Custom GMT (Stainless)
RescoCustom C-ref: RTAC Custom GMT (Stainless)
MSRP $1,105
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 Diver

The Citizen Promaster Diver is praised for its handsome dial made from recycled materials and its accurate Ecodrive movement, running +1 second in 7 days. Owners note potential difficulty maintaining charge in a large collection and minor alignment issues with the bezel and chapter ring. One owner reports an automatic movement with +20/-40 seconds a day accuracy. On balance, owners appreciate the Citizen Promaster Diver for its distinctive dial and reliable Ecodrive movement.

Resco Custom C-ref: RTAC Custom GMT (Stainless)

Owners widely praise the Resco Custom C-ref: RTAC Custom GMT (Stainless) for its durability and quality, with one owner noting it as a go-to timepiece that withstands harsh conditions while maintaining its appearance. The unique green color is also appreciated by some, fitting an outdoorsy lifestyle. One owner finds the 44mm case too large for their preference, though they love the watch itself and wish for a smaller version. Overall, owners rate the Resco Custom C-ref: RTAC Custom GMT (Stainless) highly for its robust build and suitability for active use.

At a glance

9 of 29 specs differ
Diameter
Promaster Diver46mm
Custom C-ref: RTAC Custom GMT (Stainless)44mm
Power Reserve
Promaster Diver40h
Custom C-ref: RTAC Custom GMT (Stainless)40h
Water Resistance
Promaster Diver200m
Custom C-ref: RTAC Custom GMT (Stainless)200m
MSRP
Promaster Diver$431
Custom C-ref: RTAC Custom GMT (Stainless)$1,105

Full specifications

Case

3 specs
Category
Diver
Diameter
46mm
44mm
Thickness
12mm
13mm

Crystal & Dial

3 specs
Crystal
Mineral
Sapphire
AR Coating
Underside
Inner
Dial Color
Blue
White

Movement

2 specs
Caliber
B612
Type
Solar
Quartz

Pricing

1 specs
MSRP
$431
$1,105
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