Seiko Cal. 7133 - 418

The Seiko 7133-418 represents an important milestone in Seiko's 1971 lineup. The Coin-Edge bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-ac5255ebae1f]

Also known as: Tuna, Bellmatic

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

45mm

Case Thickness

11.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Burgundy

Jewels

29j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1971

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