Seiko Cal. 6187 - 257

The 6187-257 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6187 caliber with 34j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-a47c3bcaf991]

Also known as: Samurai

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

38mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

90m

Dial Color

White

Jewels

34j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1969

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