Side by side

Astor + Banks Sea Ranger M2vsSeiko King Seiko VANAC Seiko Boutique Exclusive Edition

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

The bottom line

The 40mm Sea Ranger M2 wears 1mm narrower than the 41mm King Seiko VANAC Seiko Boutique Exclusive Edition.

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 King Seiko VANAC Seiko Boutique Exclusive Edition

Owners and reviewers widely praise the King Seiko VANAC Seiko Boutique Exclusive Edition for its intricate finishing on its angular case and bracelet, comfortable feel on the wrist, and retro-inspired design. Specific call-outs include the crisp blue-and-white colorway, vibrant titanium case design, novel dial ring, and striking purple dial options. Owners consider it a premium and value-for-money piece, appreciating its dial texture, polished and brushed finishes, and intentional 70s-inspired aesthetic. The 8L45 movement is noted for its 70-72 hour power reserve, with accuracy figures ranging from +10/-5 seconds per day to -5/+10 seconds per day. One reviewer found the accuracy not great for the price point, while another noted it as slightly loose compared to other brands. The lack of lume limits it to daytime use, and the hidden butterfly clasp is considered unintuitive by one source. Some owners wished the bracelet tapered more at the clasp.

Where to get them

Check prices & track

Astor + Banks Sea Ranger M2
Astor + Banks Sea Ranger M2
MSRP $1,149
Seiko King Seiko VANAC Seiko Boutique Exclusive Edition
Seiko King Seiko VANAC Seiko Boutique Exclusive Edition
MSRP $3,300
Sea Ranger M2
Astor + BanksSea Ranger M2
MSRP $1,149

At a glance

15 of 29 specs differ
Diameter
Sea Ranger M240mm
King Seiko VANAC Seiko Boutique Exclusive Edition41mm
Power Reserve
Sea Ranger M240h
King Seiko VANAC Seiko Boutique Exclusive Edition72h
Water Resistance
Sea Ranger M2300m
King Seiko VANAC Seiko Boutique Exclusive Edition100m
MSRP
Sea Ranger M2$1,149
King Seiko VANAC Seiko Boutique Exclusive Edition$3,300

Full specifications

Case

7 specs
Category
Diver
Dress
Diameter
40mm
41mm
Thickness
12.5mm
14.3mm
Lug-to-Lug
45.5mm
45.1mm
Lug Width
20mm
17mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

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

Movement

3 specs
Caliber
La Joux-Perret G100
8L45
Power Reserve
40h
72h
Jewels
25
35

Pricing

1 specs
MSRP
$1,149
$3,300

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