Side by side

Horage Revolution 3 MicroRegvsSeiko Prospex Sea 1968 Heritage Diver's GMT

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

Revolution 3 MicroReg
HorageRevolution 3 MicroReg
MSRP $5,320
Prospex Sea 1968 Heritage Diver's GMT
SeikoProspex Sea 1968 Heritage Diver's GMT
MSRP $1,500
What people say

Owners + reviewers, side by side

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

Horage Revolution 3 MicroReg

The Horage Revolution 3 MicroReg showcases an innovative external micro-adjustment system for on-the-fly regulation via electromagnetic pulse, a remarkable feat of micro-engineering. This proof-of-concept prototype is still in early development, with a projected launch in late summer 2026 and a founder's price of CHF 3,900. On balance, reviewers highlight the revolutionary regulation technology as the defining characteristic of the Horage Revolution 3 MicroReg.

Seiko Prospex Sea 1968 Heritage Diver's GMT

The Seiko Prospex Sea 1968 Heritage Diver's GMT is widely praised for its build quality, finishing, and comfortable wearability, offering good value for its price point. Owners and reviewers highlight the attractive silver/white sunray dial, blue ceramic bezel, and the premium feel of the improved bracelet clasp with excellent micro-adjustment. The Caliber 6R54 movement provides a 72-hour power reserve, and real-world accuracy often exceeds its stated range of +25 to -15 seconds per day, with some owners reporting figures around +3 to +5 seconds per day. However, the caller-style GMT functionality is a point of contention for some, who find the GMT scale difficult to read and prefer a flyer GMT at this price. Some also find the crown position at 4 o'clock undesirable, and a few note a lack of dial contrast or illegibility of the inner bezel.

At a glance

12 of 29 specs differ
Diameter
Revolution 3 MicroReg41mm
Prospex Sea 1968 Heritage Diver's GMT42mm
Power Reserve
Revolution 3 MicroReg72h
Prospex Sea 1968 Heritage Diver's GMT72h
Water Resistance
Revolution 3 MicroReg100m
Prospex Sea 1968 Heritage Diver's GMT200m
MSRP
Revolution 3 MicroReg$5,320
Prospex Sea 1968 Heritage Diver's GMT$1,500

Full specifications

Case

6 specs
Category
Dress
Diver
Diameter
41mm
42mm
Thickness
10.05mm
12.9mm
Lug-to-Lug
48.22mm
48.6mm
Lug Width
22mm
20mm
Water Resistance
100m
200m

Crystal & Dial

2 specs
AR Coating
No
Anti-reflective coating on inner surface
Lume
Super-LumiNova
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Horage K2
6R54
Power Reserve
72h
72h
Jewels
25
24

Pricing

1 specs
MSRP
$5,320
$1,500
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