Seiko Cal. 0711 - 638

Seiko 0711-638

The 0711-638 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 0711 caliber with 33j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-db7792aa0f50]

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
45mm
Case Thickness
11.5mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
90m
Dial Color
White
Jewels
33j
Frequency
21,600 bph
Power Reserve
42 hours
Year
1968

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seikata-wm-db7792aa0f50