Seiko Cal. 3825 - 878

Seiko 3825-878

The 3825-878 is a sought-after Hand-Winding piece from Seiko's golden era. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-c3aacea9364b]

Also known as: Sumo

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
39mm
Case Thickness
8.5mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
40m
Dial Color
White
Jewels
28j
Frequency
28,800 bph
Power Reserve
50 hours
Year
1970

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