Seiko Cal. 6658 - 276

This Automatic model from 1966 features a 38mm Two-Tone case. With its 20mm lug width and 11.1mm profile, it sits comfortably on most wrists. [seikata-wm-e0ed942ccacb]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

11.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1966

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