Seiko Cal. 7138 - 181

This Kinetic model from 1970 features a 35mm PVD Black case. Powered by the 7138 caliber with 23j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-506b08f0f6ae]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

35mm

Case Thickness

10.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Burgundy

Jewels

23j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1970

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