Seiko Cal. 7180 - 333

The 7180-333 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7180 caliber with 31j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-ae229b4154f0]

Also known as: Sumo, Emperor

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

13.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Burgundy

Jewels

31j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1989

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