Seiko Cal. 6657 - 690

Seiko 6657-690

The 6657-690 is a sought-after Solar piece from Seiko's golden era. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-a93eb31120c1]

Also known as: Arnie

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
41mm
Case Thickness
11.7mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
130m
Dial Color
Champagne
Jewels
18j
Frequency
21,600 bph
Power Reserve
71 hours
Year
1965

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