Seiko Cal. 0728 - 137

Seiko 0728-137

The 0728-137 is a sought-after Automatic piece from Seiko's golden era. Powered by the 0728 caliber with 32j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-b42f42205cdc]

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
9.6mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
110m
Dial Color
Blue Sunburst
Jewels
32j
Frequency
28,800 bph
Power Reserve
71 hours
Year
1973

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