Seiko Cal. 7140 - 728

Seiko 7140-728

This Kinetic model from 1984 features a 45mm PVD Black case. Powered by the 7140 caliber with 32j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-13b5971296c8]

Also known as: Turtle, Baby Tuna

Specifications

Movement
Kinetic
Case Material
PVD Black
Case Width
45mm
Case Thickness
11.0mm
Lug Width
20mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
170m
Dial Color
Silver
Jewels
32j
Frequency
28,800 bph
Power Reserve
71 hours
Year
1984

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seikata-wm-13b5971296c8