Our watches are pre-owned or vintage, unless stated otherwise. Their capacity to tell accurate time & manage power is consistent with available technology during their time of production.
Never experiment with a watch unless you are a watchmaker - Curiosity killed the watch! When unsure about setting features, please contact us!
SEIKO Chronograph UFO 6138-0011 with 2 Registers & Tachymeter
This watch was SOLD on June 18, 2013 (Destination: Mesa, AZ, U.S.A.).
![]() Accessories: none Crystal: glass Dial Width: 33 mm Dial Height: 33 mm |
Movement: 21 jewels automatic Case: stainless steel Case Width: 44 mm without crown Case Height: 46 mm Case Number: 6138-011, 479823 Movement Number: 6138B Band: stainless steel Band Width: 19 mm Band Length: 5.75 in (measures up to 7.5 in with case) |
This is an authentic Japan-made SEIKO Chronograph UFO Automatic Watch with Tachymeter & Day-Date display.
- 99% Original/Complete SEIKO parts - new band
- white detail against matte black dial
- black/yellow detail against satin white sub-dials
- 2-Register Chronograph
- STAINLESS STEEL case, bezel, crown, push-buttons, back,bracelet & clasp
- 21 jewels automatic movement

The photos presented are of the actual item for sale. Kindly study them carefully because what you see is what you will get. We try our best to describe watches as accurately as we can that's why we present them visually & literally. In case we missed a few points, you are welcome to ask questions.
This watch keeps good time & is in good working condition! Add this to your collection of vintage quality timepieces!

EXTERNAL CONDITION: This watch is in *VERY GOOD condition (83-87%): The watch shows what might be considered normal wear by a careful owner who wore the watch regularly. Scratches are evident, but no nicks or dings. May have replacement parts. A sound, attractive presentation overall.
INTERNAL CONDITION: This watch is in *NEAR MINT condition (93-97%): working perfectly, keeping good time & needs nothing.
*condition descriptives mainly based on the Timezone Grading System

stainless steel case
stainless steel bezel with black/red/white Tachymeter
matte black dial with satin white sub-dials

black/white-coated steel hour & minute hands; yellow-coated steel second hand
luminous bar hour markers
black day & date windows at 3 o'clock

white SEIKO symbol logo at 3 o'clock
white "JAPAN 6138" at 6 o'clock
steel SEIKO name logo, white "CHRONOGRAPH" & "AUTOMATIC" at 9 o'clock
clearly-marked white main grid with black/yellow sub grids

original SEIKO stainless steel crown & push-buttons
original SEIKO concave glass crystal

replacement stainless steel bracelet of vintage make & quality
Band Length: 5.75 in (measures up to 7.5 in with case)

original SEIKO Fold-Over clasp

case back embossed with SEIKO name & symbol logos, "JAPAN" , "STAINLESS STEEL", "WATER RESISTANT" & serial numbers


Japan-made SEIKO 21 jewels automatic movement - tested by our experienced technician