Seiko Cal. 7140 - 655

This Solar model from 1971 features a 44mm Two-Tone case. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-86118ef7ebdf]

Also known as: Sumo, Rally

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

44mm

Case Thickness

9.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Black

Jewels

21j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1971

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