Seiko Cal. 0712 - 135

The Seiko 0712-135 represents an important milestone in Seiko's 1971 lineup. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-eeaeeb543c7f]

Also known as: Tuna, Bellmatic

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

9.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Cream

Jewels

24j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1971

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