Side by side

Seiko 62MASvsZelos Comet 39

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

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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 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.

Zelos Comet 39

Owners widely praise the Zelos Comet 39 for its wearable 39mm size, thin profile under 10mm thanks to its manual-wind Sellita SW215 movement, and its captivating dial with a deep starburst effect. The winding action is described as a joy, and the watch is considered a stunner for its price, blending modern and vintage aesthetics. Some owners note frustration with Zelos's limited production runs leading to quick sell-outs. One owner found the logo childlike, while another experienced strap-rubbing issues with the short lugs, which were resolved with a Milanese bracelet. Overall, owners and reviewers rate the Zelos Comet 39 highly for its excellent value and striking dial design.

At a glance

16 of 29 specs differ
Diameter
62MAS40.5mm
Comet 3939mm
Power Reserve
62MAS70h
Comet 39
Water Resistance
62MAS200m
Comet 3950m
MSRP
62MAS$1,200
Comet 39$2,499

Full specifications

Case

6 specs
Category
Diver
Dress
Diameter
40.5mm
39mm
Thickness
13.2mm
7.6mm
Lug-to-Lug
47.6mm
39mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
50m

Crystal & Dial

5 specs
Crystal
Sapphire
Domed Sapphire
Crystal Shape
Curved
AR Coating
Anti-reflective coating on inner surface
Dial Color
Tantalum LE
Lume
LumiBrite on hands, index(es) and bezel
None

Movement

4 specs
Caliber
Seiko 6R35
ETA/Peseux 7001
Type
Automatic
Manual
Power Reserve
70h
0h
Jewels
24
0

Pricing

1 specs
MSRP
$1,200
$2,499
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