Seiko Cal. 4564 - 690

Seiko 4564-690

The 4564-690 is a sought-after Solar piece from Seiko's golden era. Powered by the 4564 caliber with 36j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-cb603f5361d4]

Also known as: Navigator, Emperor

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
10.0mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
60m
Dial Color
Black
Jewels
36j
Frequency
28,800 bph
Power Reserve
72 hours
Year
1992

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