Seiko Cal. 5646 - 780

Seiko 5646-780

The 5646-780 is a sought-after Solar piece from Seiko's golden era. Powered by the 5646 caliber with 28j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-b811113366a6]

Also known as: Arnie

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
34mm
Case Thickness
13.4mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
140m
Dial Color
Burgundy
Jewels
28j
Frequency
28,800 bph
Power Reserve
63 hours
Year
1999

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