Side by side

Erebus Watches Ascent 40 GMTvsSeiko 62MAS

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

Ascent 40 GMT
Erebus WatchesAscent 40 GMT
MSRP $429
62MAS
Seiko62MAS
MSRP $1,200
What people say

Owners + reviewers, side by side

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

Erebus Watches Ascent 40 GMT

Owners widely praise the Erebus Watches ASCENT for its stunning dial and excellent lume, with many finding it gorgeous and beautiful beyond comprehension. The watch is also noted for its comfortable wearability, attributed to its 40mm case, and the bracelet's micro-adjustable clasp and well-finished screws receive specific commendation. Some owners consider the Miyota 9075 movement excellent for the price, with one reporting accuracy of +1 second per day. However, import duties are a significant concern for some buyers, and the polished case sides are noted to lack a scratch-resistant coating. On balance, owners rate the Erebus Watches ASCENT highly for its aesthetic appeal and comfortable wearability at its price point.

Seiko 62MAS

The Seiko Prospex Sea 1965 Heritage Diver's Watch is praised for its vintage-inspired finishing, crisp bezel action, and build quality. Owners widely report the movement averages within +/- 10 seconds per day, though some note accuracy issues. The 40mm case size is considered by some to wear larger than expected, and the price point is a subject of debate, with some finding it too high and others fair. The watch features a 72-hour power reserve from the Caliber 6R55 movement, a 300-meter depth rating, and a box-shaped sapphire crystal. On balance, owners and reviewers appreciate the Seiko Prospex Sea 1965 Heritage Diver's Watch for its refined design and solid build quality, despite some reservations about its price and perceived size.

At a glance

13 of 29 specs differ
Diameter
Ascent 40 GMT40mm
62MAS40.5mm
Power Reserve
Ascent 40 GMT
62MAS70h
Water Resistance
Ascent 40 GMT100m
62MAS200m
MSRP
Ascent 40 GMT$429
62MAS$1,200

Full specifications

Case

5 specs
Category
Diver
Diameter
40mm
40.5mm
Thickness
12.4mm
13.2mm
Lug-to-Lug
46mm
47.6mm
Water Resistance
100m
200m

Crystal & Dial

4 specs
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Malachite
Black
Lume
BGW9 Super-LumiNova®
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Miyota 9075
6R35
Power Reserve
70h
Jewels
25
24

Pricing

1 specs
MSRP
$429
$1,200
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