Seiko Cal. 6663 - 674

Seiko 6663-674

The Seiko 6663-674 represents an important milestone in Seiko's 1983 lineup. It features a Green dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-df08eca1a2e9]

Also known as: Turtle, UFO

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
41mm
Case Thickness
12.7mm
Lug Width
19mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
50m
Dial Color
Green
Jewels
22j
Frequency
21,600 bph
Power Reserve
54 hours
Year
1983

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