Seiko Cal. 6187 - 305

Seiko 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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