Seiko Cal. 3879 - 377

Seiko 3879-377

The 3879-377 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3879 caliber with 20j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-2d0c4b6e00d1]

Also known as: Navigator, Arnie

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
8.2mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
90m
Dial Color
Blue Sunburst
Jewels
20j
Frequency
28,800 bph
Power Reserve
66 hours
Year
1984

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