Seiko Cal. 7128 - 421

Seiko 7128-421

The 7128-421 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7128 caliber with 29j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-3f6b9a4a05cd]

Also known as: Sea Horse, Emperor

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
43mm
Case Thickness
11.4mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
110m
Dial Color
Navy
Jewels
29j
Frequency
28,800 bph
Power Reserve
42 hours
Year
1967

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