Seiko Cal. 3858 - 105

Seiko 3858-105

The 3858-105 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3858 caliber with 20j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-f8c0b82c1d3c]

Also known as: Tuna, Navigator

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
43mm
Case Thickness
15.6mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
60m
Dial Color
White
Jewels
20j
Frequency
21,600 bph
Power Reserve
62 hours
Year
1998

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