Side by side

Citizen Promaster DivervsSeiko Prospex SPEEDTIMER

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

Promaster Diver
CitizenPromaster Diver
MSRP $431
Prospex SPEEDTIMER
SeikoProspex SPEEDTIMER
MSRP $750

At a glance

14 of 29 specs differ
Diameter
Promaster Diver46mm
Prospex SPEEDTIMER41.4mm
Power Reserve
Promaster Diver40h
Prospex SPEEDTIMER40h
Water Resistance
Promaster Diver200m
Prospex SPEEDTIMER100m
MSRP
Promaster Diver$431
Prospex SPEEDTIMER$750

Full specifications

Case

6 specs
Category
Diver
Chronograph
Diameter
46mm
41.4mm
Thickness
12mm
13mm
Lug-to-Lug
46mm
45.9mm
Lug Width
22mm
21mm
Water Resistance
200m
100m

Crystal & Dial

5 specs
Crystal
Mineral
Sapphire
Crystal Shape
Flat
Curved
AR Coating
Underside
Anti-reflective coating on inner surface
Dial Color
Blue
Black
Lume
None
LumiBrite on hands and index(es)

Movement

2 specs
Caliber
B612
V192
Type
Solar
Quartz

Pricing

1 specs
MSRP
$431
$750

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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.

Citizen Promaster Diver

The Citizen Promaster Diver is praised for its handsome dial made from recycled materials and its accurate Ecodrive movement, running +1 second in 7 days. Owners note potential difficulty maintaining charge in a large collection and minor alignment issues with the bezel and chapter ring. One owner reports an automatic movement with +20/-40 seconds a day accuracy. On balance, owners appreciate the Citizen Promaster Diver for its distinctive dial and reliable Ecodrive movement.

Seiko Prospex SPEEDTIMER

Owners widely praise the Seiko Prospex SPEEDTIMER's design, with specific mentions of its beautiful ice blue sundial and compact 39mm case size, which some note wears smaller than its specifications due to a short lug-to-lug distance. Reviewers highlight its racing-inspired aesthetic and versatility, with one owner finding the 39mm solar model a sturdy and reliable everyday watch with 100m water resistance. However, some owners question the value proposition, citing the $700 price for a solar quartz model and a thickness of 13mm, while others expressed a preference for automatic movements. On balance, owners and reviewers appreciate the Seiko Prospex SPEEDTIMER's attractive vintage-inspired design and compact wearability, though some debate its value and thickness for a solar quartz chronograph.

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