Seiko Cal. 5681 - 133

This Automatic model from 1971 features a 41mm Stainless Steel case. With its 18mm lug width and 9.0mm profile, it sits comfortably on most wrists. [seikata-wm-bf38333be5f6]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

9.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

40m

Dial Color

Burgundy

Jewels

31j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1971

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