Seiko Cal. 7181 - 306

Released in 1990, the Cal. 7181 with design code 306 was part of Seiko's domestic market collection. Powered by the 7181 caliber with 21j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-4daef9d97321]

Also known as: UFO, Arnie

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

13.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

130m

Dial Color

White

Jewels

21j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1990

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