Seiko Cal. 6661 - 131

Seiko 6661-131

The 6661-131 is a sought-after Automatic piece from Seiko's golden era. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-0e7fc7d14ee5]

Also known as: Panda

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
11.1mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
40m
Dial Color
Champagne
Jewels
23j
Frequency
28,800 bph
Power Reserve
61 hours
Year
1979

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