Up for sale is my Seiko Marinemaster 200M (SJE101) with the black dial. This is the modern, slim Marinemaster powered by the 6L37 movement, offering a much thinner and more wearable case compared to the older MM300 while still delivering true tool-watch capability and excellent finishing.

• Condition: Excellent with light, honest wear
• Movement: 6L37 automatic
• Thickness: 12.3mm thin case profile
• Water Resistance: 200m

For sale is a brand new Seiko Marinemaster SJE101 with tag still attached, purchased in December.

• Condition: Excellent mint condition
• Case size: 44mm diameter
• Water resistance: 200m depth rating

A beautiful Seiko Marinemaster with a full kit and mint condition.

• Condition: Mint
• Purchase location: Exquisite Timepieces
• Accuracy: +2 seconds/day

For sale is a modern Seiko diver that still wears like a vintage piece, the SJE101 - a slim 62MAS reissue with the 6L35 movement.

• Condition: Super nice condition
• Case diameter: ~39.9 mm
• Lug-to-lug: ~47–48 mm
• Thickness: ~11–12 mm

Up for sale is my like new Seiko Prospex SJE101 Marinemaster 1965 Diver's Modern Re-interpretation with Original Box. The watch is keeping excellent time and has an aftermarket StrapXPro clasp for improved comfort.

• Condition: Like new, excellent condition
• Clasp type: Original and aftermarket StrapXPro
• Dimensions: unknown

This Seiko Prospex Marinemaster 1965 Heritage Diver SJE101 features a slimmer case, upgraded movement, and refined overall feel compared to other models. It comes with a full kit, including box, papers, and all links.

• Condition: Excellent
• Case Size: 39.5mm × 12.3mm
• Case Length To Length: 47.2mm
• Clasp Type: MM300-style micro-adjust

This Seiko SJE101 MarineMaster 200 is a classic 62MAS style diver's watch in a compact and thin 39.5mm steel case with a black dial and strong Lumibrite.

• Condition: Excellent (worn in rotation)
• Diameter: 39.5mm
• Thickness: 12.3mm
• Lug to lug: 47.2mm

This Tudor Black Bay is a 41mm Monochrome watch with excellent condition, featuring a full set and still under warranty until 2030. The watch has a few minor cosmetic issues.

• Condition: Excellent
• Buckle Clasp Condition: light scratches
• Purchase Date: March 2025