Vintage Seiko Bullhead Speedtimer 6138-0040
📦 Ships from Fort Worth, TX
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Specifications
SKU
03202026155849
Item
Wristwatch
Brand
Seiko
Model
Bullhead Speedtimer
Reference
6138-0040
Year
Dial Color
Black
Case Material
Stainless Steel
Movement
Automatic
Caliber
Country
Japan
Gender
Men's
Jewels
21
Grade
Band Material
Functions
Type
Department
Balance
Condition
Overall Condition
Fair, overall condition
Case
Shows desk marks and light scratches.
Crystal
Shows minimal signs of wear.
Crystal Condition
Dial
Overall fair condition
Bezel
Tachymeter Bezel
Crown
Shows desk marks.
Crown Condition
Hands
Overall fair condition
Hands Condition
Band
Shows light scratches.
Original Seiko Stainless Steel Band
Function
Running strongly with no apparent issues, but no known service history
Winding
Timing Data
Gaining 11 seconds a day, 267 amplitude, 1.3 ms beat error
Complications
Additional Notes
Measurements
Diameter
43.5
Dial Diameter
Width
Length
Height
Thickness
15
Lug Width
20.5
Lug to Lug
46.5
Bracelet Size
7
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.
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