Seiko Cal. 6642 - 742

Seiko 6642-742

The 6642-742 is a sought-after Automatic piece from Seiko's golden era. It features a Black dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-cd78d9ecdd0d]

Also known as: Turtle, Silverwave

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
37mm
Case Thickness
8.1mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
110m
Dial Color
Black
Jewels
29j
Frequency
36,000 bph
Power Reserve
65 hours
Year
1973

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