Seiko Cal. 7190 - 306

The 7190-306 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7190 caliber with 27j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-ccc6861bd13f]

Also known as: Monster, Rally

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

8.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Green

Jewels

27j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1987

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