Side by side

Astor + Banks Sea Ranger M2vsSeiko Prospex SPEEDTIMER

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

Sea Ranger M2
Astor + BanksSea Ranger M2
MSRP $1,149
Prospex SPEEDTIMER
SeikoProspex SPEEDTIMER
MSRP $750

At a glance

14 of 29 specs differ
Diameter
Sea Ranger M240mm
Prospex SPEEDTIMER41.4mm
Power Reserve
Sea Ranger M240h
Prospex SPEEDTIMER40h
Water Resistance
Sea Ranger M2300m
Prospex SPEEDTIMER100m
MSRP
Sea Ranger M2$1,149
Prospex SPEEDTIMER$750

Full specifications

Case

7 specs
Category
Diver
Chronograph
Diameter
40mm
41.4mm
Thickness
12.5mm
13mm
Lug-to-Lug
45.5mm
45.9mm
Lug Width
20mm
21mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

4 specs
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Tobacco
Black
Lume
None
LumiBrite on hands and index(es)

Movement

2 specs
Caliber
La Joux-Perret G100
V192
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$1,149
$750

Follow this matchup

Get a note when Astor + Banks Sea Ranger M2 vs Seiko Prospex SPEEDTIMER gets more votes, a community discussion, or a price drop. No account needed.

What people say

Owners + reviewers, side by side

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

Astor + Banks Sea Ranger M2

The Astor + Banks Sea Ranger M2 is widely praised for its balanced design, excellent legibility, and strong GADA (go-anywhere, do-anything) capabilities, featuring 300m water resistance and a scratch-resistant coating. Reviewers note its comfortable 40mm case size and good lume, though one source describes it as good but not great. The movement is a Sellita SW200 adjusted by the brand, with accuracy reported around ±8 seconds per day. The pre-order price is $650, with a standard price of $850. On balance, reviewers find the Astor + Banks Sea Ranger M2 to be a compelling option due to its functional design and robust specifications.

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.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.