Seiko Cal. 5657 - 661

Seiko 5657-661

The 5657-661 is a sought-after Solar piece from Seiko's golden era. Powered by the 5657 caliber with 20j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-8c66da4914c5]

Also known as: Goldfeather, Navigator

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
39mm
Case Thickness
14.5mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
70m
Dial Color
Navy
Jewels
20j
Frequency
28,800 bph
Power Reserve
51 hours
Year
1990

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seikata-wm-8c66da4914c5