Seiko Cal. 6187 - 447

The 6187-447 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6187 caliber with 31j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-cafe0251b278]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

10.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

White

Jewels

31j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1967

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