Side by side

Seiko Prospex SPEEDTIMER MechanicalvsYema Flygraf Navigator

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

Prospex SPEEDTIMER Mechanical
SeikoProspex SPEEDTIMER Mechanical
MSRP $995
Flygraf Navigator
YemaFlygraf Navigator
MSRP $1,199

At a glance

13 of 29 specs differ
Diameter
Prospex SPEEDTIMER Mechanical39.5mm
Flygraf Navigator40mm
Power Reserve
Prospex SPEEDTIMER Mechanical72h
Flygraf Navigator40h
Water Resistance
Prospex SPEEDTIMER Mechanical200m
Flygraf Navigator100m
MSRP
Prospex SPEEDTIMER Mechanical$995
Flygraf Navigator$1,199

Full specifications

Case

5 specs
Diameter
39.5mm
40mm
Thickness
12mm
13.9mm
Lug-to-Lug
44.5mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
100m

Crystal & Dial

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

Movement

3 specs
Caliber
6R55
Power Reserve
72h
40h
Jewels
24
25

Pricing

1 specs
MSRP
$995
$1,199

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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 Mechanical

The Seiko Prospex SPEEDTIMER Mechanical is praised for its visually appealing design and comfortable wearability, with owners frequently using its chronograph function for daily tasks. Reviewers note its clean dial layout and LumiBrite treated hands and markers, and one source highlights the 72-hour power reserve of the 6R55 movement. However, some owners criticize its chronograph functionality and the 24-hour subdial. On balance, owners and reviewers rate the Seiko Prospex SPEEDTIMER Mechanical highly for its daily usability and refined aesthetics.

Yema Flygraf Navigator

Owners widely praise the Yema Flygraf Navigator's value and attractive design. However, community members express concerns regarding quality control and customer service, with one owner advising against purchase due to these issues. The in-house MBP1000 movement is noted as a mix of components, and one owner doubts its long-term reliability. On balance, owners find the Yema Flygraf Navigator a nice-looking watch with good value, but significant concerns exist around quality control and customer service.

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