Seiko Cal. 6187 - 410

The 6187-410 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6187 caliber with 20j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-535190c4c5a0]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

44mm

Case Thickness

8.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

120m

Dial Color

Black

Jewels

20j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1979

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