Seiko Cal. 6647 - 403

Seiko 6647-403

The 6647-403 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6647 caliber with 32j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-f5e770321b1e]

Also known as: Turtle

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
15.7mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
90m
Dial Color
Blue Sunburst
Jewels
32j
Frequency
36,000 bph
Power Reserve
66 hours
Year
1991

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