Seiko Cal. 3858 - 623

Seiko 3858-623

The 3858-623 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3858 caliber with 25j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-64b1abd027a1]

Also known as: Samurai, Monster

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
10.9mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
70m
Dial Color
Silver
Jewels
25j
Frequency
21,600 bph
Power Reserve
52 hours
Year
1968

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