Seiko Cal. 7181 - 703

The 7181-703 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7181 caliber with 24j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-64774bb2fa29]

Also known as: Samurai, Sumo

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

43mm

Case Thickness

14.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1966

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