Side by side

Spinnaker FleussvsSeiko Monster

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

Fleuss
SpinnakerFleuss
MSRP $179
Monster
SeikoMonster
MSRP $550

At a glance

13 of 29 specs differ
Diameter
Fleuss43mm
Monster42.4mm
Power Reserve
Fleuss40h
Monster41h
Water Resistance
Fleuss150m
Monster200m
MSRP
Fleuss$179
Monster$550

Full specifications

Case

6 specs
Diameter
43mm
42.4mm
Thickness
13mm
13.4mm
Lug-to-Lug
51mm
49.4mm
Lug Width
22mm
20mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
150m
200m

Crystal & Dial

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

Movement

3 specs
Caliber
SII NH35A
4R36
Power Reserve
40h
41h
Jewels
25
24

Pricing

1 specs
MSRP
$179
$550

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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.

Spinnaker Fleuss

Owners widely praise the Spinnaker Fleuss for its retro design, textured dial, and good value, with many noting it looks better in person than in photos. The watch is appreciated for its robust construction and finishing, especially when found at a discount. Some owners report good timekeeping and a decent power reserve. However, the Spinnaker Fleuss GMT is criticized by some for its large case size, which can affect proportions and numeral legibility. One owner experienced a broken crown after a fall, while another noted concerns about the acrylic bezel's durability. The lume is described as adequate but not exceptional. Overall, owners rate the Spinnaker Fleuss highly for its retro aesthetic and value proposition, particularly when purchased on sale.

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.

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