Seiko Cal. 6647 - 325

Seiko 6647-325

The 6647-325 is a sought-after Kinetic piece from Seiko's golden era. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-6e1e7db8a652]

Also known as: Helmet, Emperor

Specifications

Movement
Kinetic
Case Material
Two-Tone
Case Width
40mm
Case Thickness
12.4mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
140m
Dial Color
Silver
Jewels
36j
Frequency
21,600 bph
Power Reserve
52 hours
Year
1991

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