Grand Seiko - Diashock - Unisex - 1967
08
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Selected by Erwin Dekker
Experienced antique dealer with extensive watch collecting expertise and antiques background.
Estimate € 2,000 - € 2,200
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Grand Seiko Diashock reference 5722-9991, a unisex vintage watch from 1967 with manual-wind Calibre 5722B, in a steel case 36.5 mm wide and 10.7 mm thick, 3 ATM water resistance, brown non-original leather strap with a non-original steel pin buckle, serviced in January 2026 and sold with a 12‑month guarantee.
AI-assisted summary
Description from the seller
Discover the timeless elegance of this Grand Seiko Diashock watch, commercial reference 5722-9991, dating from 1967. This unisex piece, reference TOT-01721, stands out with a 36.5mm stainless steel case and 10.7mm thickness, housing a precise manual-wind movement. Its 3 ATM water resistance makes it versatile and reliable. The brown leather strap is non-original, complemented by a non-original tang buckle, harmoniously completing this timepiece, shown here in very good condition. This Grand Seiko has been serviced in January 2026 and benefits from a 12-month warranty.
Technical sheet
Basic data
Brand
GRAND SEIKO
Additional title
Mechanic | Date | Cal 5722B | Circa 1967 | Vintage | Serviced | Polished
Model
Diashock
Reference
5722-9991
Ref. TOT
TOT-01721
Year
1967
Condition
Very good
Gender
Unisex
Style
Dressy, Vintage
Contents delivered
Watch only
Movement
Type
Manual winding
Horological functions
Date
Calibre
Seiko 5722B
Power reserve
45 h
Number of jewels
35
Frequency
19 800
Case
Material
Stainless steel
Diameter
36.5 mm
Height
43 mm
Thickness
10.7 mm
Water resistance
3 ATM
Bezel
Steel
Glass
Plexiglass
Dial
Color
Silver
Numerals
Index (baton)
Bracelet
Material
Leather
Color
Brown
Original
No
Buckle
Tang buckle
Buckle material
Steel
Original buckle
No
Service & Warranty
Warranty
12 months
Last service
2026-01-27
Deviation
5.2 s/day
Amplitude
261°
Water resistance tested
No
Discover the timeless elegance of this Grand Seiko Diashock watch, commercial reference 5722-9991, dating from 1967. This unisex piece, reference TOT-01721, stands out with a 36.5mm stainless steel case and 10.7mm thickness, housing a precise manual-wind movement. Its 3 ATM water resistance makes it versatile and reliable. The brown leather strap is non-original, complemented by a non-original tang buckle, harmoniously completing this timepiece, shown here in very good condition. This Grand Seiko has been serviced in January 2026 and benefits from a 12-month warranty.
Technical sheet
Basic data
Brand
GRAND SEIKO
Additional title
Mechanic | Date | Cal 5722B | Circa 1967 | Vintage | Serviced | Polished
Model
Diashock
Reference
5722-9991
Ref. TOT
TOT-01721
Year
1967
Condition
Very good
Gender
Unisex
Style
Dressy, Vintage
Contents delivered
Watch only
Movement
Type
Manual winding
Horological functions
Date
Calibre
Seiko 5722B
Power reserve
45 h
Number of jewels
35
Frequency
19 800
Case
Material
Stainless steel
Diameter
36.5 mm
Height
43 mm
Thickness
10.7 mm
Water resistance
3 ATM
Bezel
Steel
Glass
Plexiglass
Dial
Color
Silver
Numerals
Index (baton)
Bracelet
Material
Leather
Color
Brown
Original
No
Buckle
Tang buckle
Buckle material
Steel
Original buckle
No
Service & Warranty
Warranty
12 months
Last service
2026-01-27
Deviation
5.2 s/day
Amplitude
261°
Water resistance tested
No
Details
Brand
Grand Seiko
Gender
Unisex
Model
Diashock
Band material
Leather
Shipped insured
Yes
Period
1960-1969
Repainted dial
No
Movement
Manual winding
Case material
Steel
Original box included
No
Original papers included
No
Case diameter
37 mm
Original warranty included
No
Condition
Very good - minor signs of wear
Year
1967
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