Seiko Cal. 5231 - 300

The Seiko 5231-300 represents an important milestone in Seiko's 1975 lineup. The Inner Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-0abd0c234488]

Also known as: Panda

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

12.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1975

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