Seiko Cal. 7140 - 658

Seiko 7140-658

The 7140-658 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 7140 caliber with 33j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-ee0ede5dd144]

Also known as: Silverwave, Crown

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
40mm
Case Thickness
9.6mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
190m
Dial Color
Cream
Jewels
33j
Frequency
36,000 bph
Power Reserve
57 hours
Year
1993

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