Seiko Cal. 7187 - 150

Seiko 7187-150

The 7187-150 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7187 caliber with 36j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-414915d8e576]

Also known as: Bellmatic

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
45mm
Case Thickness
11.3mm
Lug Width
20mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
180m
Dial Color
Black
Jewels
36j
Frequency
36,000 bph
Power Reserve
72 hours
Year
1991

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seikata-wm-414915d8e576