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Portsea - Calendar Classic

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Portsea - Calendar Classic

USD 669.11

Or 4x fortnightly payments of with Afterpay More info

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Portsea Calendar

Classic Marine Style

The Portsea collection represents our modern take on the classic 'Deck Watch' timepiece style, which is traditionally characterised by clean white dials and arabic numerals enclosed by 'railroad' minute markers. 

Deck watches were popular among navy and merchant sailors in the early 20th century, particularly in WW1. They were originally made as pocket watches with hand-wound mechanical movements and were the successor to the original 'marine chronometer' style sea-clocks of the 18th century, which mariners used to calculate longitude by means of celestial navigation. 

Portsea Calendar



The Portsea is powered by the Miyota Calibre 9122 'triple calendar' self-winding mechanical movement with day, date and month complications, a 40 hour power reserve and a higher 28,800bph beat rate for a smoother sweep of the second hand.

The multi-layered dial features a unique moulded ceramic main disc which gives the Portsea a sense of depth and detail, capped off by classic blued hands with our signature "M" counter-balance. 

The Portsea is completed by surgical grade 316L stainless steel casing, an anti-reflective sapphire crystal lens and nappa lined leather straps.  

The Workshop


Built In Melbourne

In 2017 we opened a new workshop as part of our new inner-city MWC Showroom. Every Portsea watch is expertly hand assembled locally by our dedicated technical team in accordance with our own rigorous quality control standards. Our watch technicians also handle all servicing and support issues in-house, in line with our 2 year guarantee.

Portsea Deconstructed



  • Case Material - 316L Stainless Steel
  • Case Diameter - 40mm
  • Case Thickness - 13mm
  • Movement - Miyota Cal. 9122 Triple Calendar Automatic
  • Crystal - Flat Anti-Reflective Sapphire
  • Dial - White Ceramic
  • Hands - Classic Blue
  • Strap - 20mm 
  • Water Resistance - 100m/10ATM
  • Warranty - 24 Months


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