Seiko Cal. 6643 - 838

Seiko 6643-838

The 6643-838 is a sought-after Kinetic piece from Seiko's golden era. It features a Champagne dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-a932c5b081c2]

Also known as: Goldfeather, Sea Horse

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
15.9mm
Lug Width
20mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
190m
Dial Color
Champagne
Jewels
36j
Frequency
21,600 bph
Power Reserve
58 hours
Year
1984

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