Side by side

Orient HeliosvsYema Navygraf Marine Nationale Quartz

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

Helios
OrientHelios
MSRP $335
Navygraf Marine Nationale Quartz
YemaNavygraf Marine Nationale Quartz
MSRP $499

At a glance

18 of 29 specs differ
Diameter
Helios40.5mm
Navygraf Marine Nationale Quartz39mm
Power Reserve
Helios40h
Navygraf Marine Nationale Quartz40h
Water Resistance
Helios30m
Navygraf Marine Nationale Quartz100m
MSRP
Helios$335
Navygraf Marine Nationale Quartz$499

Full specifications

Case

8 specs
Category
Diver
Diameter
40.5mm
39mm
Thickness
12mm
11mm
Lug-to-Lug
47mm
Lug Width
21mm
19mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
30m
100m
Caseback
Display
Solid

Crystal & Dial

5 specs
Crystal
Mineral
Sapphire
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Green
Standard
Indices
Applied

Movement

4 specs
Caliber
FT622
Type
Automatic
Quartz
Beat Rate
21,600 vph
28,800 vph
Jewels
22
25

Pricing

1 specs
MSRP
$335
$499

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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.

Orient Helios

The Orient Helios is widely praised for its vibrant dial, open-heart design, and excellent value for money, with owners noting its great finish and quality that exceeds its price point. The watch is described as attractive and stylish, with a thin profile that wears comfortably, though some owners wish it were smaller. Accuracy figures vary, with one owner reporting it consistently runs 5-6 seconds fast per day, while another sees it at 1-2 seconds fast. Opinions are split on the inclusion of a date window, with some finding it desirable for practicality and aesthetic balance, while others prefer its absence. The stock bracelet receives mixed reviews, with one owner finding it awkward and upgrading to a strap, while another considers it nice with a smooth finish and solid links. Overall, owners rate the Orient Helios highly for its mesmerizing open-heart dial and impressive quality at an attainable price.

Yema Navygraf Marine Nationale Quartz

Owners praise the Yema Navygraf Marine Nationale Quartz for its well-made case, clean legible dial, and comfortable 39mm size, with one noting its thin profile for 300m water resistance. Accuracy figures vary, with one owner reporting +6 seconds per day and another seeing it keep within COSC time. Minor criticisms include a steel bracelet with a slight rattle and sharp edges, bent bracelet pins, and in one instance, crooked dial printing. On balance, owners find the Yema Navygraf Marine Nationale Quartz offers good value and wearability, with its French design and thinner case being key highlights.

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