Seiko Cal. 6642 - 755

Seiko 6642-755

The 6642-755 is a sought-after Spring Drive piece from Seiko's golden era. It features a Cream dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-d0297d6bdfa3]

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
40mm
Case Thickness
8.6mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
140m
Dial Color
Cream
Jewels
21j
Frequency
28,800 bph
Power Reserve
56 hours
Year
1968

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