Seiko Cal. 6187 - 594

Released in 1997, the Cal. 6187 with design code 594 was part of Seiko's domestic market collection. Powered by the 6187 caliber with 34j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-71d32eeb44aa]

Also known as: Sumo, Helmet

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

14.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Navy

Jewels

34j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1997

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