Side by side

DuFrane Watches Mabry MkII 39mm Titanium Mechanical Field WatchvsSeiko Prospex Sea

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

Add a watch

Some links are affiliate links — lug2lug may earn a commission at no extra cost to you. Disclosures

What people say

Owners + reviewers, side by side

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

DuFrane Watches Mabry MkII 39mm Titanium Mechanical Field Watch

The DuFrane Watches Mabry MkII 39mm Titanium Mechanical Field Watch is noted for its comfortable wearability and a dial that surpasses expectations in person, complemented by bright lume. However, some owners report slightly sharp inside edges on the lugs and a leather strap that does not feature quick-release spring bars. Overall, owners find the DuFrane Watches Mabry MkII 39mm Titanium Mechanical Field Watch comfortable and visually appealing, with the dial detail and lume being particular highlights.

Seiko Prospex Sea

Owners widely praise the Seiko Prospex Sea for its excellent lume, robust build, and value, with many highlighting the comfortable 4 o'clock crown and reliable movements. Reviewers note impressive case finishing and attractive dials, with specific models lauded for their gradient blue designs and smooth bezel actions. Accuracy figures vary, with one owner reporting +9 seconds/day after demagnetization, while others find the watches to be good first "proper" watches. Some owners find the stock rubber straps uncomfortable or the overall size substantial on smaller wrists. On balance, owners and reviewers rate the Seiko Prospex Sea highly for its combination of strong dive watch functionality and appealing design at its price point.

At a glance

14 of 29 specs differ
Diameter
Mabry MkII 39mm Titanium Mechanical Field Watch39mm
Prospex Sea41mm
Power Reserve
Mabry MkII 39mm Titanium Mechanical Field Watch42h
Prospex Sea70h
Water Resistance
Mabry MkII 39mm Titanium Mechanical Field Watch100m
Prospex Sea200m
MSRP
Mabry MkII 39mm Titanium Mechanical Field Watch$999
Prospex Sea$900

Full specifications

Case

6 specs
Category
Diver
Diameter
39mm
41mm
Thickness
11.4mm
12.3mm
Lug-to-Lug
0mm
46.9mm
Material
Titanium
Stainless Steel
Water Resistance
100m
200m

Crystal & Dial

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

Movement

3 specs
Caliber
Sellita SW200-1
Seiko 6R35
Power Reserve
42h
70h
Jewels
0
24

Pricing

1 specs
MSRP
$999
$900
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.

DiscussionNot started
Adjacent matchups

People also compared

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