Side by side

Seiko Prospex SPEEDTIMERvsYema Navygraf Marine Nationale Quartz

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

Prospex SPEEDTIMER
SeikoProspex SPEEDTIMER
MSRP $3,000
Navygraf Marine Nationale Quartz
YemaNavygraf Marine Nationale Quartz
MSRP $499

At a glance

15 of 29 specs differ
Diameter
Prospex SPEEDTIMER42.5mm
Navygraf Marine Nationale Quartz39mm
Power Reserve
Prospex SPEEDTIMER45h
Navygraf Marine Nationale Quartz40h
Water Resistance
Prospex SPEEDTIMER100m
Navygraf Marine Nationale Quartz100m
MSRP
Prospex SPEEDTIMER$3,000
Navygraf Marine Nationale Quartz$499

Full specifications

Case

6 specs
Category
Chronograph
Diver
Diameter
42.5mm
39mm
Thickness
15.1mm
11mm
Lug-to-Lug
50mm
Lug Width
20mm
19mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

4 specs
Crystal Shape
Curved
Flat
AR Coating
Anti-reflective coating on inner surface
Inner
Dial Color
Black
Standard
Lume
LumiBrite on hands and index(es)
None

Movement

4 specs
Caliber
8R46
Type
Automatic
Quartz
Power Reserve
45h
40h
Jewels
34
25

Pricing

1 specs
MSRP
$3,000
$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.

Seiko Prospex SPEEDTIMER

Owners widely praise the Seiko Prospex SPEEDTIMER for its attractive vintage-inspired design and compact 39mm size, with one owner finding the red dial unique and gorgeous. Reviewers and owners note the solar-powered quartz movement, with one owner considering $700 expensive for this specification and another wishing for a thinner case. The SPEEDTIMER is described as a sturdy and reliable everyday watch, though one owner questioned its resale value. Overall, owners and reviewers appreciate the Seiko Prospex SPEEDTIMER for its stylish, compact design and solar functionality, despite some finding the price point and case thickness slightly high.

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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