Seiko Cal. 7187 - 257

Seiko 7187-257

The 7187-257 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 7187 caliber with 20j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-d82b4d2d07c3]

Specifications

Movement
Kinetic
Case Material
PVD Black
Case Width
40mm
Case Thickness
13.3mm
Lug Width
18mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
170m
Dial Color
White
Jewels
20j
Frequency
21,600 bph
Power Reserve
58 hours
Year
1980

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