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Home/Browse/Spinnaker/Spence 300
Spinnaker Spence 300 — Aquamarine
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Spinnaker Spence 300

DiverMicrobrand

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.

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Retail MSRPIn stock
$650
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Alternatives
Case
40mm
Power Reserve
—
Movement
Automatic
Water Resistance
300m
Crystal
Sapphire
01

Case Dimensions

Diameter40mm
Thickness11.5mm
Lug-to-Lug48mm
Lug Width20mm
02

Case Build

Material316L Stainless Steel
Water Resistance300m
03

Crystal & Dial

CrystalSapphire
Dial ColorAquamarine
04

Movement

Caliber
Seiko NH35
TypeAutomatic
Beat Rate—
Power Reserve—
Jewels—
HackingNo
Hand-WindingNo
ComplicationsTime only
05

Design Language

Dial styleGradient
BezelRotating (dive)
Bracelet / strapLug-attached bracelet
HandsBaton
AI-detected from product image · 5/22/2026

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