Seiko Cal. 3879 - 654

Seiko 3879-654

The 3879-654 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3879 caliber with 24j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-01412507cd9c]

Also known as: Helmet

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
46mm
Case Thickness
11.5mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
140m
Dial Color
Black
Jewels
24j
Frequency
21,600 bph
Power Reserve
59 hours
Year
1988

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seikata-wm-01412507cd9c