Seiko Cal. 0720 - 857

Seiko 0720-857

The 0720-857 is a sought-after Automatic piece from Seiko's golden era. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-a709dbdc1143]

Also known as: Helmet, Sea Horse

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
38mm
Case Thickness
11.5mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
40m
Dial Color
Green
Jewels
27j
Frequency
28,800 bph
Power Reserve
40 hours
Year
1979

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seikata-wm-a709dbdc1143