Seiko Cal. 6639 - 216

Seiko 6639-216

The 6639-216 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6639 caliber with 28j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-b8edabe00a45]

Also known as: Panda, Golden Tuna

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
46mm
Case Thickness
8.9mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
80m
Dial Color
Silver
Jewels
28j
Frequency
21,600 bph
Power Reserve
66 hours
Year
1979

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seikata-wm-b8edabe00a45