Seiko Cal. 5658 - 348

This Spring Drive model from 1967 features a 38mm Gold-Plated case. With its 20mm lug width and 11.9mm profile, it sits comfortably on most wrists. [seikata-wm-bbc87b2f034c]

Also known as: Sumo, Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

11.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

31j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1967

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