Seiko Cal. 7031 - 983

Seiko 7031-983

The 7031-983 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7031 caliber with 24j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-0366174ee283]

Also known as: Helmet, UFO

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
43mm
Case Thickness
11.9mm
Lug Width
20mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
60m
Dial Color
Green
Jewels
24j
Frequency
21,600 bph
Power Reserve
46 hours
Year
1999

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seikata-wm-0366174ee283