Seiko Cal. 7140 - 644

Seiko 7140-644

The 7140-644 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 7140 caliber with 29j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-67ab27402478]

Specifications

Movement
Kinetic
Case Material
Gold-Plated
Case Width
45mm
Case Thickness
13.7mm
Lug Width
20mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
60m
Dial Color
Black
Jewels
29j
Frequency
36,000 bph
Power Reserve
72 hours
Year
1972

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seikata-wm-67ab27402478