Seiko Cal. 6647 - 731

Seiko 6647-731

The 6647-731 is a sought-after Kinetic piece from Seiko's golden era. It features a Black dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-24cde5827573]

Also known as: Turtle, Bullhead

Specifications

Movement
Kinetic
Case Material
PVD Black
Case Width
42mm
Case Thickness
13.5mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
140m
Dial Color
Black
Jewels
28j
Frequency
36,000 bph
Power Reserve
67 hours
Year
1986

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seikata-wm-24cde5827573