Seiko Cal. 7187 - 617

The 7187-617 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7187 caliber with 27j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-df381bfea048]

Also known as: Samurai, Crown

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Silver

Jewels

27j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1985

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