Seiko Cal. 6647 - 300

Seiko 6647-300

The 6647-300 is a sought-after Quartz piece from Seiko's golden era. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-aafb147c714c]

Also known as: Shogun, Helmet

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
11.8mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
60m
Dial Color
Green
Jewels
21j
Frequency
28,800 bph
Power Reserve
45 hours
Year
1965

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