Seiko Cal. 7135 - 871

Seiko 7135-871

The 7135-871 is a sought-after Automatic piece from Seiko's golden era. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-f2dd152b2e1c]

Also known as: Helmet, Sea Horse

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
42mm
Case Thickness
13.5mm
Lug Width
20mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
40m
Dial Color
Blue Sunburst
Jewels
21j
Frequency
28,800 bph
Power Reserve
41 hours
Year
1975

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