Seiko Cal. 7128 - 187

Seiko 7128-187

Released in 1972, the Cal. 7128 with design code 187 was part of Seiko's domestic market collection. Powered by the 7128 caliber with 22j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-cb757ac53c6d]

Also known as: Arnie, Flighty

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
34mm
Case Thickness
8.2mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
110m
Dial Color
Blue Sunburst
Jewels
22j
Frequency
36,000 bph
Power Reserve
36 hours
Year
1972

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