Seiko Cal. 7181 - 775

This Quartz model from 1979 features a 41mm Titanium case. Powered by the 7181 caliber with 33j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-b7b363a4d953]

Also known as: Baby Tuna, Arnie

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

41mm

Case Thickness

8.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Navy

Jewels

33j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1979

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