Seiko Cal. 6187 - 558

The 6187-558 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6187 caliber with 21j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-2bab0397fa3c]

Also known as: Helmet, Emperor

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

45mm

Case Thickness

12.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Champagne

Jewels

21j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1967

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