Colvic Watson 31.5 Motor Sailor
- Boat REF# · 341676
- LOA · 9.45m
- Year · 1983
- Construction · GRP
- Underwater profile · Long keel
- Berths · 5
- Engine · 1 x Diesel 110hp, Perkins 6354 (1983)
- Lying · East Coast Scotland
Extra Details
| Builder | Colvic |
|---|---|
| Lying | East Coast Scotland |
| Fuel capacity | 500.0 ltr (110.0 G) Total - 2 Tanks |
| Water capacity | 400.0 ltr (88.0 G) Total - 3 Tanks |
| Last survey | 14/03/2016 |
Mechanical
| Engine | 1 x Diesel 110hp |
|---|---|
| Engine make and model | Perkins 6354 (1983) |
| Engine Hours |
engine1= 3800 |
| Engine Cooled | Direct |
| Steering | Wheel |
| Drive | Shaft |
| Prop(s) | 3 Blade Fixed |
| Fuel consumption (approx) | Not Recorded |
| Cruising speed (approx) | 7 knots |
| Max speed (approx) | 8 knots |
| Engine spares |
|---|
Engine Serviced, Antifouled and New Anode fitted 2025
Solar panels 2x50 watt fitted 2020
Dimensions
| LOA | 9.45m |
|---|---|
| LWL | 8.53m |
| Beam | 3.35m |
| Draft Min | 1.30m |
| Airdraft | 2.13m |
| Displacement | 8,255kg (18,203.1lbs) |
| Headroom | 1.98m |
| Storage | Ashore |
Rig
Ketch rigged Aluminium spars (1983) with stainless steel standing rigging (2022)
Sails
| Mainsail | - Roller boom () |
|---|---|
| Headsail | - Furling () |
| Other sails | Mizzen () |
| Storm Jib () | |
| Main () | |
| Cruising () |
Cutter rigged & Roller Reefing 2022
Rigging replaced 2022 & Mast stripped bare , painted,re riveted and rewired
Electrical Systems
12 volt battery, 240 shore power voltage,
Construction
| Construction | GRP |
|---|---|
| Underwater profile | Long keel |
| Finish | Paint finish |
Bowsprit Stripped , reassembled and fittings renewed and Galvanised.
Accommodation
| Total # of berths | 5 |
|---|---|
| No. of double berths | 2 |
| No. of single berths | 1 |
| Cabin(s) | 3 |
| Handbasin | 2 |
| Heads | 1 heads (Manual) |
All wood paneling replaced 2019
3 burner gas cooker/stove
Accommodation
| Cooker/stove | |
|---|---|
| Grill | |
| Oven | |
| Sink | |
| Icebox | |
| Refrigerator | |
| Carpet | |
| Curtains | |
| Cabin heating | |
| Pressurised water system | |
| Hot water system | |
| Fresh water wash | |
| Raw water wash | |
| Microwave |
All wood paneling replaced 2019
3 burner gas cooker/stove
Deck Gear
| Sail cover | |
|---|---|
| Fenders | |
| Boathook | |
| Davits | |
| Beaching legs | |
| Instrument Covers |
4 halyard winches
4 sheet winches
Electric Maxwell HRC10 windlass (with remote control)
2 anchors
(Plough)
65.00m of chain
Nasa windvane self-steering system
Waveco dinghy (2022)
(Inflatable)
0hp outboard, yamaha E Drive M20 , with 12v battery, and dedicated solar panel, Short Shaft (2022)
Anchor & Windlass with remote control new 2021.
Spotlight fitted 2024
Nav Equipment
| Compass | |
|---|---|
| Speed | |
| Log | |
| Wind | |
| Radar | |
| VHF DSC radio | |
| GPS | |
| Chart plotter | |
| Autopilot | |
| Clock | |
| Barometer | |
| Navigation lights | |
| TV | |
| DVD | |
| AIS Receiver | |
| Echo sounder | |
| Radar Reflector |
Safety Equipment
| Carbon Monoxide detector | |
|---|---|
| Liferaft | |
| Life jackets | |
| Life buoys | |
| Searchlight | |
| Safety harnesses | |
| Horn | |
| Boarding ladder | |
| Security Alarm | |
| Emergency steering |
4 bilge pumps (1 manual / 3 Electric)
Date of last life raft service: 15-04-2024
Also has Personal Location Beacon included
Broker's Comments
This 1983 Colvic Watson 31.5 Motor Sailor is a well-maintained, versatile and exceptionally equipped vessel, ideal for those seeking a robust, long-distance cruising boat with the benefits of both power and sail.
She offers outstanding value for a boat of her size and capability, having been meticulously upgraded by her current owner over the past 9 years.
Strong & Reliable Mechanics:
Perkins 6354 (110hp) diesel engine (1983) – 3,800 hours, recently serviced, antifouled, and fitted with a new anode (2025).
Cruising speed: 7 knots | Max speed: 8 knots | Direct-cooled, shaft drive, 3-blade fixed prop.
500L fuel capacity (2 tanks) for extended range.
Bowsprit stripped, reassembled, and fittings renewed & galvanised for durability.
Sailing Ready – Recent Rigging & Sail Upgrades:
Ketch-rigged with aluminium spars (1983), stainless steel standing rigging replaced (2022).
Mast stripped bare, repainted, re-riveted, and rewired (2022).
Sail inventory includes:
Mainsail (roller boom)
Headsail (furling)
Mizzen, storm jib, cruising sails
Cutter-rigged & roller reefing (2022) for easy handling.
Comfortable & Well-Appointed Accommodation:
5 berths (2 doubles, 1 single) across 3 cabins – ideal for family or extended cruising.
All wood panelling replaced (2019) – fresh, clean interior.
Galley with 3-burner gas stove, oven, grill, fridge, microwave, and pressurised hot water.
2 hand basins, manual heads, cabin heating, and ample storage.
Modern Electrical & Navigation Systems:
12V & 240V shore power | 2x 50W solar panels (2020) for off-grid power.
Full navigation suite:
GPS, chart plotter, radar, AIS receiver, VHF DSC radio, autopilot, echo sounder.
NASA windvane self-steering system for effortless passage-making.
Deck Gear & Safety – fully equipped for cruising:
Electric Maxwell HRC10 windlass (remote control, 2021) with 65m chain & 2 plough anchors.
Waveco dinghy (2022) + Yamaha E-Drive M20 (0hp electric outboard, 2022) with dedicated solar panel.
4 halyard & 4 sheet winches, davits, beaching legs, sail cover, fenders.
Comprehensive safety gear:
Liferaft (serviced April 2024), life jackets, CO detector, 4 bilge pumps (3 electric, 1 manual).
Emergency steering, searchlight, boarding ladder, radar reflector, Personal Location Beacon (PLB).
The current owner has cruised Scotland’s East & West Coasts over the past 9 years, investing significantly in upgrades and maintenance. Now only selling due to a change in circumstances.
This is a rare opportunity to acquire an expedition-worthy motor sailor.
A true blue-water-capable vessel, this Colvic Watson 31.5 offers space, comfort, and reliability at an attractive price. With recent major refits (rigging, mast, bowsprit, engine, electrical, and safety systems), she is exceptionally well-prepared for her next adventure.
Viewing highly recommended – contact Boatshed Scotland today to inspect this outstanding motor sailor!
These boat details are subject to contract.
Note: Offers on the asking price may be considered.
Owners FAQ's
How long have you owned the boat for?
9 years
Why are you selling her?
Stopping sailing
Where have you sailed her?
East & West Coast Scotland