Seiko Monster SRP313J1vsZelos Blacktip 200m Diver

Monster SRP313J1
SeikoMonster SRP313J1

Ref. SRP313J1·MSRP $450

Blacktip 200m Diver
ZelosBlacktip 200m Diver

Ref. blacktip-200m-diver-desert-sand·MSRP $499

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Seiko Monster SRP313J1 at true scale

Monster SRP313J1

Zelos Blacktip 200m Diver at true scale

Blacktip 200m Diver

Diameter

42mm

41mm

Lug-to-Lug

n/a

47.5mm

Thickness

n/a

11.5mm

Water Resistance

200m

200m

MSRP

$450

lowest

$499

Movement

Seiko 4R36

Miyota 9015

Case

5 specs
Diameter
42mm
41mm
Thickness
n/a
11.5mm
Lug-to-Lug
n/a
47.5mm
Lug Width
n/a
20mm
Caseback
Solid
n/a

Crystal & Dial

4 specs
Crystal
Hardlex
Sapphire
Crystal Shape
Flat
n/a
Dial Color
Black
n/a
Indices
Applied
n/a

Movement

2 specs
Caliber
Seiko 4R36
Miyota 9015
Beat Rate
21,600 vph
0 vph

Pricing

1 specs
MSRP
$450
$499
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Reviews

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

Seiko Monster SRP313J1

The Seiko Monster SRP313J1 is praised for its updated 4R36 movement offering hacking and hand-winding, and its bright LumiBrite lume. One owner notes their watch runs at +480 seconds per day. Another owner finds the "teeth indices" of second-generation Monsters more fitting to the "monstrous" aesthetic, considering the SRP313J1 sleeker. On balance, owners and reviewers find the Seiko Monster SRP313J1 appealing for its modern movement features and strong lume, though aesthetic preferences vary.

Zelos Blacktip 200m Diver

The Zelos Blacktip 200m Diver is widely praised for its superb value, distinctive design, and ergonomic 41mm case that measures 11.5mm thick. Owners highlight the bezel action as great and the bracelet as rock solid with toolless micro-adjust. The watch features eye-catching dials, including shimmery red aventurine and sand fume options, and a full lume dial is noted. The screw-down crown engages and screws in smoothly, with no stem or crown wobble reported, though one owner described the crown action as a little gritty. The Miyota 9015 movement powers the watch, which is rated for 200m water resistance. On balance, owners and reviewers rate the Zelos Blacktip 200m Diver highly for its outstanding value and distinctive dial and bezel treatments.