Side by side

KUOE ROYAL SMITH 90-010vsSeiko Prospex Sea 1968 Heritage Diver's GMT

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

ROYAL SMITH 90-010
KUOEROYAL SMITH 90-010
MSRP $1,050
Prospex Sea 1968 Heritage Diver's GMT
SeikoProspex Sea 1968 Heritage Diver's GMT
MSRP $1,500

At a glance

14 of 29 specs differ
Diameter
ROYAL SMITH 90-01035mm
Prospex Sea 1968 Heritage Diver's GMT42mm
Power Reserve
ROYAL SMITH 90-01040h
Prospex Sea 1968 Heritage Diver's GMT72h
Water Resistance
ROYAL SMITH 90-01050m
Prospex Sea 1968 Heritage Diver's GMT200m
MSRP
ROYAL SMITH 90-010$1,050
Prospex Sea 1968 Heritage Diver's GMT$1,500

Full specifications

Case

6 specs
Category
Chronograph
Diver
Diameter
35mm
42mm
Thickness
12.7mm
12.9mm
Lug-to-Lug
43mm
48.6mm
Lug Width
18mm
20mm
Water Resistance
50m
200m

Crystal & Dial

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

Movement

3 specs
Caliber
Miyota 9122
6R54
Power Reserve
40h
72h
Jewels
25
24

Pricing

1 specs
MSRP
$1,050
$1,500

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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.

KUOE ROYAL SMITH 90-010

Owners praise the KUOE ROYAL SMITH's elegant 37mm size, symmetrical bicompax layout, and crisp chronograph pushers with a swift reset. The salmon dial is described as copper-toned with highly polished, legible Breguet numerals. Some owners find the 13mm thickness and 43mm lug-to-lug wearable, while others note the 14.3mm thickness detracts from wearability. The TMI NE86A movement has a claimed 45-hour power reserve and accuracy ranging from +25/-15 seconds per day. On balance, owners and reviewers appreciate the KUOE ROYAL SMITH for its retro charm and enjoyable chronograph operation, despite some reservations about its thickness.

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.

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