Seiko Cal. 6187 - 504

The 6187-504 is a sought-after Solar piece from Seiko's golden era. Powered by the 6187 caliber with 27j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-030c809a92c8]

Also known as: Bellmatic, Flighty

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

39mm

Case Thickness

10.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Silver

Jewels

27j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1986

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