Seiko Cal. 7187 - 240

Seiko 7187-240

The 7187-240 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7187 caliber with 24j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-295b06edcdae]

Also known as: Monster, Bullhead

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
44mm
Case Thickness
15.7mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
200m
Dial Color
White
Jewels
24j
Frequency
21,600 bph
Power Reserve
49 hours
Year
1989

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seikata-wm-295b06edcdae