Seiko Cal. 0770 - 636

Seiko 0770-636

The 0770-636 is a sought-after Spring Drive piece from Seiko's golden era. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-1a07e97a2b74]

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
37mm
Case Thickness
8.3mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
130m
Dial Color
Navy
Jewels
35j
Frequency
28,800 bph
Power Reserve
48 hours
Year
1999

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