Side by side

Spinnaker Spence 300vsTudor Monarch

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

Spence 300
SpinnakerSpence 300
MSRP $650
Monarch
TudorMonarch
MSRP $5,875

At a glance

18 of 29 specs differ
Diameter
Spence 30040mm
Monarch39mm
Power Reserve
Spence 30040h
Monarch65h
Water Resistance
Spence 300300m
Monarch100m
MSRP
Spence 300$650
Monarch$5,875

Full specifications

Case

8 specs
Category
Diver
Diameter
40mm
39mm
Thickness
11.5mm
11.9mm
Lug-to-Lug
48mm
46mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed and polished
Polished + Satin
Water Resistance
300m
100m
Caseback
Solid
Solid screw-down

Crystal & Dial

3 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Aquamarine
Champagne

Movement

6 specs
Caliber
SII NH35A
MT5662-2U
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
65h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$650
$5,875

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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.

Spinnaker Spence 300

The Spinnaker Spence 300 is widely praised for its slim 10.9mm case and 40mm diameter, offering a comfortable and uncommon thin diver design at its price point. Reviewers and owners highlight its value, especially below $350, and its blend of retro design with modern specifications, including a 300m depth rating and a fully indexed bezel. Some owners, however, find the dial printing and bracelet finishing to be less refined, with one noting the bracelet's male end links as a drawback. The consensus is that the Spinnaker Spence 300 is highly regarded for its exceptional value and wearable dimensions, making it a strong contender for an everyday sports watch.

Tudor Monarch

The Tudor Monarch is praised for its crisp case finishing, solid H-link bracelet with T-fit clasp, and a 39mm size that wears well, though its eclectic neoclassical dial design is noted. It features a METAS-certified Master Chronometer movement with a 65-hour power reserve, visible through a display case back. The watch has a vintage-inspired dial with a unique champagne color and California layout, though it lacks lume and its modern, angular 39mm case doesn't wear smaller than its dimensions suggest. Its 11.9mm thickness is noted as a bit disappointing, but faceted case sides and box sapphire crystals contribute to a slender wearing experience. On balance, reviewers praise the Tudor Monarch for its sharp case finishing and Master Chronometer movement at its price point.

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