Seiko Cal. 7187 - 861

Seiko 7187-861

This Hand-Winding model from 1966 features a 34mm Hardlex-Coated Steel case. Powered by the 7187 caliber with 34j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-f11b66f9c82c]

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
8.0mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
150m
Dial Color
Black
Jewels
34j
Frequency
28,800 bph
Power Reserve
72 hours
Year
1966

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