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!
Modified SEIKO Scuba Diver 150m with Rotating Bezel & Diagonal Crown
This watch was SOLD on July 26, 2017 (Destination: LA, California, U.S.A.).
![]() Year: 1970 - 1979 Accessories: none Crystal: glass Dial Width: 32 mm Dial Height: 32 mm |
Movement: 17 jewels automatic Case: stainless steel Case Width: 42 mm with crown posts Case Height: 46 mm with lugs Case Number: 7002-7000, A1, 150824 Movement Number: 7002A Band: fabric Band Width: 22 mm Band Length: fits up to 9 in |
This is an authentic Japanese-made 1970s Modified SEIKO 150m Scuba Diver Automatic Watch with Date.
- Original SEIKO Watch with AFTERMARKET hands, dial & bezel insert + NEW band & clasp!
- FEATURES: MODIFIED/CUSTOMIZED, Rotating Bezel, Luminous Hands & Hours, Diver Case, Screw-Down Crown, Date
- STAINLESS STEEL: bezel, case, back, crown, clasp
- FABRIC: band (blue with red & white stripes)
- Notes on BEZEL: shows light scattered pinprick-sized marks
- Notes on the MOVEMENT ROTOR: printed details have faded
This watch keeps good time & is in good working condition! Add this to your collection of vintage quality timepieces!
The photos presented below 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.

For sale, is a modified SEIKO 150m Scuba Diver Automatic with Date. It was built to feature a diver case, diagonally placed screw-down crown & a rotating bezel.
Collectors are particularly drawn towards the unique cut of its bezel, which is trimmed with rows of multi-bevels all around to form a distinctive shape!
Here is a picture of an all original vintage SEIKO Scuba Diver 150M for reference & comparison: ![]() |
SEIKO makes a wide range of aftermarket parts available: This vintage piece has been modified & fitted with a blue dial, orange hands & bezel filler, which create a striking contrast... A blue band with red & white stripes brings its eye-catching appeal up a notch!

EXTERNAL CONDITION: This watch is in *EXCELLENT condition (88-92%): Evidence of use is visible to the unaided eye. Scratches are light, but more numerous than "near mint".
INTERNAL CONDITION: This watch is in *EXCELLENT condition (88-92%): Working perfectly, needs no repair or service.
*condition descriptives mainly based on the Timezone Grading System

stainless steel diver case, where crown is covered by protective posts
stainless steel rotating bezel with AFTERMARKET orange/black insert
Notes on BEZEL: shows light scattered pinprick-sized marks
AFTERMARKET matte blue
dial or face

AFTERMARKET orange-coated steel luminous hands
luminous bar
hour markers
date
display window at 3 o'clock

painted white SEIKO
name logo & "AUTOMATIC" at 12 o'clock
painted white "17 JEWELS", "150M", "JAPAN" & serial numbers at 6 o'clock
painted yellow "WATER RESIST" also at 6 o'clock
painted
black grid on white trim

original diagonally-placed SEIKO
stainless steel screw-down crown
original glass
crystal

NEW blue fabric military band with white & red stripes
Band Length: fits up to 9 in
NEW stainless steel clasp & rings

case
back embossed with SEIKO name logo, Great Wave Detail, "SCUBA DIVER'S", "STAINLESS STEEL", "WATER RESISTANT", "JAPAN A" & serial numbers
We cannot guarantee the effectiveness of its waterproof closure because this watch is vintage


Japanese-made SEIKO
17 jewels automatic movement - tested by
our experienced technician
Notes on the MOVEMENT ROTOR: printed details have faded