Seiko Cal. 0713 - 903

Seiko 0713-903

The 0713-903 is a sought-after Automatic piece from Seiko's golden era. Powered by the 0713 caliber with 27j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-5070bc5fbac3]

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
13.3mm
Lug Width
21mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
50m
Dial Color
Champagne
Jewels
27j
Frequency
28,800 bph
Power Reserve
60 hours
Year
1979

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