Seiko Cal. 3875 - 721

Seiko 3875-721

The 3875-721 is a sought-after Spring Drive piece from Seiko's golden era. It features a White dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-efc56dfe0ed6]

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
40mm
Case Thickness
9.0mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
60m
Dial Color
White
Jewels
34j
Frequency
28,800 bph
Power Reserve
66 hours
Year
1997

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