Seiko Cal. 6649 - 728

Seiko 6649-728

The 6649-728 is a sought-after Kinetic piece from Seiko's golden era. It features a Cream dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-e4de33a69a4a]

Also known as: Sumo, Sportsmatic

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
37mm
Case Thickness
13.3mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
180m
Dial Color
Cream
Jewels
25j
Frequency
21,600 bph
Power Reserve
36 hours
Year
1985

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