Side by side

Seiko Prospex SPEEDTIMERvsZelos Great White 43

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

Prospex SPEEDTIMER
SeikoProspex SPEEDTIMER
MSRP $2,200
Great White 43
ZelosGreat White 43
MSRP $599

At a glance

15 of 29 specs differ
Diameter
Prospex SPEEDTIMER42mm
Great White 4343mm
Power Reserve
Prospex SPEEDTIMER40h
Great White 4340h
Water Resistance
Prospex SPEEDTIMER100m
Great White 43300m
MSRP
Prospex SPEEDTIMER$2,200
Great White 43$599

Full specifications

Case

7 specs
Category
Chronograph
Diver
Diameter
42mm
43mm
Thickness
12.9mm
12mm
Lug-to-Lug
49.6mm
43mm
Lug Width
20mm
22mm
Material
Stainless Steel
Titanium (DLC coated)
Water Resistance
100m
300m

Crystal & Dial

4 specs
Crystal Shape
Curved
Flat
AR Coating
Super-clear coating
Inner
Dial Color
Black
Blue
Lume
LumiBrite on hands and index(es)
None

Movement

3 specs
Caliber
5X83
Miyota 9015
Type
Quartz
Automatic
Jewels
14
25

Pricing

1 specs
MSRP
$2,200
$599

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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 Prospex SPEEDTIMER

Owners widely praise the Seiko Prospex SPEEDTIMER for its unique dial colors and vintage-inspired design, with many appreciating its compact 39mm case size and 100m or 200m water resistance. Reviewers and owners note the V192 solar movement’s power reserve indicator and its reliability, though some owners express a preference for automatic movements. One owner finds the $700 price for a solar quartz model expensive, while another criticizes the €860 price point and desires a thinner case and a bracelet with quick-release or micro-adjustment. On balance, owners and reviewers appreciate the Seiko Prospex SPEEDTIMER for its distinctive aesthetic and versatile wearability, despite some reservations about its price and case thickness.

Zelos Great White 43

Owners widely praise the Zelos Great White 43's "unbelievable" and "amazing" lume, particularly on the carbon and Frost variants. The Miyota 9015 movement and 300m water resistance are noted features. Some owners find the 43mm size large, while others report it wears well. Opinions are divided on colorways, with some disappointed by the absence of a "Nebula" option and others finding the "Arctic" version striking. Overall, owners rate the Zelos Great White 43 highly for its exceptional lume and robust specifications at the price point.

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