Seiko Cal. 6645 - 503

Seiko 6645-503

The 6645-503 is a sought-after Kinetic piece from Seiko's golden era. The Inner Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-6dc51abf071a]

Also known as: Helmet, Goldfeather

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
15.1mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
70m
Dial Color
Black
Jewels
26j
Frequency
36,000 bph
Power Reserve
46 hours
Year
1997

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