Side by side

Orient KamasuvsSeiko Monster

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

Kamasu
OrientKamasu
MSRP $375
Monster
SeikoMonster
MSRP $550
What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Orient Kamasu

Owners widely praise the Orient Kamasu for its excellent value, robust build quality suitable for daily wear, and attractive design featuring applied indices and a sunburst dial. Reviewers and owners consistently highlight its strong lume, hacking and hand-winding movement, sapphire crystal, and sub-42mm dimensions. Some owners note a rattle, a crown that can be hard to grip, and a bezel with noticeable play or a tendency to become sticky. The bracelet is frequently criticized for its hollow end links and pressed clasp, though opinions on its taper vary. Accuracy figures reported by owners range from approximately +15 seconds per day to more precise timekeeping. Overall, owners rate the Orient Kamasu highly for its impressive finishing and features at its price point.

From video reviewers

The Orient Kamasu's compact package makes it suitable for smaller wrists without compromising wrist presence. A notable weakness is that the bracelet is decent but may have some issues, although the reviewer does not elaborate. Reviewers disagree on the value for money, with one highlighting the affordable price and in-house movement, while the other implies a trade-off in value.

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.

At a glance

15 of 29 specs differ
Diameter
Kamasu41.8mm
Monster42.4mm
Power Reserve
Kamasu40h
Monster41h
Water Resistance
Kamasu200m
Monster200m
MSRP
Kamasu$375
Monster$550

Full specifications

Case

4 specs
Diameter
41.8mm
42.4mm
Thickness
12.8mm
13.4mm
Lug-to-Lug
47mm
49.4mm
Lug Width
22mm
20mm

Crystal & Dial

5 specs
Crystal
Sapphire
Hardlex
Crystal Shape
Flat
AR Coating
Inner
Indices
Applied
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

5 specs
Caliber
F6922
Seiko 4R36
Beat Rate
21,600 vph
28,800 vph
Power Reserve
40h
41h
Jewels
22
24
Complications
Day-date
None

Pricing

1 specs
MSRP
$375
$550
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