Seiko Cal. 0763 - 231

The Seiko 0763-231 represents an important milestone in Seiko's 1974 lineup. The Inner Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-224fcb9837b8]

Also known as: Rally, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Navy

Jewels

26j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1974

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