Seiko Cal. 7198 - 359

The 7198-359 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7198 caliber with 35j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-3ce9e0b16714]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

10.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

190m

Dial Color

White

Jewels

35j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1987

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