Seiko Cal. 6291 - 345

This Spring Drive model from 1975 features a 37mm Stainless Steel case. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-50ab96d8156b]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

12.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Champagne

Jewels

31j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1975

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