Seiko Cal. 7188 - 728

Seiko 7188-728

The 7188-728 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7188 caliber with 33j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-862e5c5a4eac]

Also known as: UFO, Crown

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
8.9mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
150m
Dial Color
Green
Jewels
33j
Frequency
21,600 bph
Power Reserve
46 hours
Year
1998

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