Side by side

Casio Black ResinvsSeiko Prospex Rotocall

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

What people say

Owners + reviewers, side by side

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

Casio Black Resin

The monochrome dial offers a cleaner aesthetic. The backlight remains weak.

Seiko Prospex Rotocall

Owners widely praise the Seiko Prospex Rotocall for its charismatic retro design and comfortable 37mm size, with many appreciating its space-faring heritage. However, multiple sources criticize its price point, suggesting it is too high for an all-digital quartz watch with features like a stamped clasp, mineral crystal, and standard quartz movement. Some owners also note drawbacks such as a flimsy battery mount and split pin bracelet construction. On balance, owners and reviewers find the Seiko Prospex Rotocall visually appealing and a faithful re-release, but its value proposition is frequently questioned due to its price.

At a glance

12 of 29 specs differ
Diameter
Black Resin35.2mm
Prospex Rotocall37mm
Power Reserve
Black Resin
Prospex Rotocall
Water Resistance
Black Resin
Prospex Rotocall100m
MSRP
Black Resin$30
Prospex Rotocall$550

Full specifications

Case

6 specs
Diameter
35.2mm
37mm
Thickness
8.5mm
10.6mm
Lug-to-Lug
38.2mm
43.5mm
Lug Width
0mm
20mm
Material
Resin
Stainless Steel
Water Resistance
Water Resistant
100m

Crystal & Dial

2 specs
Crystal
Acrylic
Hardlex
Dial Color
Black

Movement

3 specs
Caliber
Module 593
A824
Power Reserve
0h
Complications
alarm, chronograph
None

Pricing

1 specs
MSRP
$30
$550
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