Seiko Cal. 3873 - 631

Seiko 3873-631

The 3873-631 is a sought-after Hand-Winding piece from Seiko's golden era. It features a White dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-960801c5e5ef]

Also known as: Panda, Arnie

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
10.5mm
Lug Width
18mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
90m
Dial Color
White
Jewels
25j
Frequency
28,800 bph
Power Reserve
63 hours
Year
1995

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