Seiko Cal. 5231 - 372

The Seiko 5231-372 represents an important milestone in Seiko's 1995 lineup. The Inner Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-87c6b7007a9a]

Also known as: UFO, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

9.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Champagne

Jewels

17j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1995

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