Seiko Cal. 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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