HOT ! Seiko Orange-Black Monster 2nd Gen SRP315

The Seiko Ref. SRP315 is a second-generation \"Monster\" dive watch known for its bold orange-and-black aesthetic. This model, often called the \"Orange/Black Monster,\" is highly valued by collectors for balancing the original Monster\'s rugged charm with an upgraded, modern movement. Features a bright orange center dial with a new black chapter ring, a detail often used as a modification on earlier versions. Utilizes the second-generation \"shark-tooth\" triangular hour markers, which are filled with Seiko\'s powerful Lumibrite for high visibility. Equipped with a black PVD-coated unidirectional rotating bezel and a matching black knurled crown for improved grip.

Specifications

SKU
02192026132555


Item
Wristwatch


Brand
Seiko


Model
Orange-Black Monster 2nd Gen


Reference
SRP315


Year



Dial Color
Orange


Case Material
Steel


Movement
Automatic


Caliber
4R36


Country
Japan


Gender
Men\'s


Jewels



Grade



Band Material



Functions



Type



Department



Balance

Condition

Overall Condition
Fair, overall condition


Case
Shows scratches. Has patina.


Crystal



Crystal Condition



Dial



Crown
Shows desk marks.


Crown Condition



Hands



Hands Condition



Band
Shows scratches. The band is not original. The band has some stretch between the links.


Function
Running, but may be in need of service. This means, it can run unreliably, start or stop and timekeeping is not guaranteed


Winding



Timing Data
Gaining 23 seconds a day, Amplitude 209, Beat Error 4.0


Additional Notes

Measurements

Diameter
42.5mm


Dial Diameter



Width



Length



Height



Thickness
13mm


Lug Width
20.2mm


Lug to Lug
47.5mm


Bracelet Size
7in


Inside Diameter



Outside Diameter



Inside Width



Inside Length



Outside Length



Outside Width



Band Width



Band Clasp Width



Band End Link Width



Band Length



Box Length



Box Width



Size



Standardized Size

About the Brand

Seiko: A beloved brand among collectors, Seiko has long been known for offering exceptional watches at accessible prices. Founded in 1881, the Japanese brand earned worldwide recognition for its divers, sports chronographs, and industry-leading quartz technology. With a lineup that includes historically significant and technically innovative pieces, Seiko remains one of the most widely collected and respected watch brands across all price points.