Seiko Cal. 7142 - 750

Seiko 7142-750

The 7142-750 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7142 caliber with 17j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-761be15ebf9f]

Also known as: Sumo, UFO

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
34mm
Case Thickness
15.6mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
30m
Dial Color
Blue Sunburst
Jewels
17j
Frequency
28,800 bph
Power Reserve
40 hours
Year
1997

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