Side by side

Seiko MonstervsYema Flygraf Navigator

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

Monster
SeikoMonster
MSRP $550
Flygraf Navigator
YemaFlygraf Navigator
MSRP $1,199

At a glance

13 of 29 specs differ
Diameter
Monster42.4mm
Flygraf Navigator40mm
Power Reserve
Monster41h
Flygraf Navigator40h
Water Resistance
Monster200m
Flygraf Navigator100m
MSRP
Monster$550
Flygraf Navigator$1,199

Full specifications

Case

6 specs
Category
Diver
Chronograph
Diameter
42.4mm
40mm
Thickness
13.4mm
13.9mm
Lug-to-Lug
49.4mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
100m

Crystal & Dial

3 specs
Crystal
Hardlex
Sapphire
Dial Color
Black
Steel
Lume
LumiBrite on hands, index(es) and bezel
None

Movement

3 specs
Caliber
4R36
Power Reserve
41h
40h
Jewels
24
25

Pricing

1 specs
MSRP
$550
$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 Monster

Owners widely praise the Seiko Prospex Sea for its excellent value, robust build, and superb lume, with many noting its comfortable wearability. Reviewers consistently highlight its impressive finishing and classic dive watch design, often comparing it favorably to older models. Some owners find the size substantial, with one noting it as big, thick, and heavy on a 6.5-inch wrist, while others find it perfect. On balance, owners and reviewers rate the Seiko Prospex Sea highly for its exceptional value and robust, classic dive watch design.

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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