Seiko Cal. 7187 - 441

Seiko 7187-441

The 7187-441 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7187 caliber with 27j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-2f322c93a9a7]

Also known as: Samurai

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
39mm
Case Thickness
11.5mm
Lug Width
19mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
50m
Dial Color
Green
Jewels
27j
Frequency
28,800 bph
Power Reserve
64 hours
Year
1966

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