Seiko Cal. 7140 - 123

This Hand-Winding model from 1979 features a 34mm Two-Tone case. With its 20mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-5ae59d8b5ed3]

Also known as: Sumo, Emperor

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

34mm

Case Thickness

12.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

160m

Dial Color

Green

Jewels

24j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1979

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