Seiko Cal. 6187 - 305

The 6187-305 is a sought-after Solar piece from Seiko's golden era. Powered by the 6187 caliber with 19j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-4dd9abb64e4e]

Also known as: Bullhead, Golden Tuna

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

10.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

170m

Dial Color

Champagne

Jewels

19j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1978

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