Seiko Cal. 7143 - 148

This Spring Drive model from 1972 features a 43mm Gold-Plated case. The Inner Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-78464fea50f7]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

13.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Navy

Jewels

26j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1972

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