Seiko Cal. 7040 - 371

Seiko 7040-371

The 7040-371 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7040 caliber with 20j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-a246a03993cb]

Also known as: UFO

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
34mm
Case Thickness
14.8mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
160m
Dial Color
Black
Jewels
20j
Frequency
28,800 bph
Power Reserve
55 hours
Year
1984

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