Seiko Cal. 6634 - 750

Seiko 6634-750

The 6634-750 is a sought-after Solar piece from Seiko's golden era. It features a Black dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-43a5c0599c1c]

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
37mm
Case Thickness
11.8mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
100m
Dial Color
Black
Jewels
21j
Frequency
28,800 bph
Power Reserve
68 hours
Year
1974

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