Seiko Cal. 6635 - 764

Seiko 6635-764

The 6635-764 is a sought-after Kinetic piece from Seiko's golden era. It features a White dial protected by a Acrylic crystal and offers 190m of water resistance. [seikata-wm-7c24e1d1cb4e]

Also known as: Tuna

Specifications

Movement
Kinetic
Case Material
Two-Tone
Case Width
43mm
Case Thickness
14.9mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
190m
Dial Color
White
Jewels
30j
Frequency
21,600 bph
Power Reserve
51 hours
Year
1972

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