Seiko Cal. 6659 - 991

Seiko 6659-991

The 6659-991 is a sought-after Hand-Winding piece from Seiko's golden era. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-76c2979bda3b]

Also known as: Panda, Bellmatic

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
38mm
Case Thickness
11.3mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
160m
Dial Color
White
Jewels
20j
Frequency
21,600 bph
Power Reserve
51 hours
Year
1978

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