Seiko Cal. 5657 - 990

Seiko 5657-990

The 5657-990 is a sought-after Solar piece from Seiko's golden era. Powered by the 5657 caliber with 23j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-4a0118565900]

Specifications

Movement
Solar
Case Material
Gold-Plated
Case Width
38mm
Case Thickness
10.0mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
180m
Dial Color
White
Jewels
23j
Frequency
28,800 bph
Power Reserve
50 hours
Year
1993

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seikata-wm-4a0118565900