Side by side

Citizen Promaster Dive E365vsMarathon MSAR (Medium Search & Rescue) Diver's Quartz

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

Promaster Dive E365
CitizenPromaster Dive E365
MSRP $544
MSAR (Medium Search & Rescue) Diver's Quartz
MarathonMSAR (Medium Search & Rescue) Diver's Quartz
MSRP $1,450

At a glance

10 of 29 specs differ
Diameter
Promaster Dive E36546mm
MSAR (Medium Search & Rescue) Diver's Quartz36mm
Power Reserve
Promaster Dive E36540h
MSAR (Medium Search & Rescue) Diver's Quartz40h
Water Resistance
Promaster Dive E365300m
MSAR (Medium Search & Rescue) Diver's Quartz300m
MSRP
Promaster Dive E365$544
MSAR (Medium Search & Rescue) Diver's Quartz$1,450

Full specifications

Case

5 specs
Diameter
46mm
36mm
Thickness
12mm
18mm
Lug-to-Lug
46mm
Lug Width
20mm
18mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

2 specs
AR Coating
Underside
Inner
Dial Color
Red
Black

Movement

2 specs
Caliber
E365
Swiss High-Torque Quartz
Type
Solar
Quartz

Pricing

1 specs
MSRP
$544
$1,450

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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 Dive E365

The Citizen Promaster Dive E365 is lauded for its wearable 46mm lugless case, a striking red gradient dial, and the Cal.E365 Eco-Drive movement with a 365-day power reserve. Owners report comfortable wearability despite its dimensions and weight, with accuracy noted as within one second of an atomic clock. Some find the red dial to appear more brownish than red, and opinions are split on the lume, with one owner finding it underwhelming compared to other Citizen divers while another states their 300m Citizen divers function as "nightlights." The watch's 16.3mm thickness contributes to an industrial feel, and the accordion-style rubber strap may be visually divisive. On balance, owners and reviewers rate the Citizen Promaster Dive E365 highly for its impressive power reserve and comfortable wearability in a robust dive watch package.

Marathon MSAR (Medium Search & Rescue) Diver's Quartz

Owners widely praise the Marathon MSAR (Medium Search & Rescue) Diver's Quartz for its tool-like aesthetic, bright tritium lume, and satisfying bezel action, making it enjoyable to handle and use. One owner finds the 36mm case comfortable after an initial adjustment period, while another reports accuracy within a few seconds of atomic time. On balance, owners rate the Marathon MSAR (Medium Search & Rescue) Diver's Quartz highly for its superb value and enjoyable tool-watch characteristics.

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