Seiko Cal. 3888 - 347

Seiko 3888-347

The 3888-347 is a sought-after Spring Drive piece from Seiko's golden era. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-c50b287552db]

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
40mm
Case Thickness
14.5mm
Lug Width
19mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
120m
Dial Color
Navy
Jewels
21j
Frequency
21,600 bph
Power Reserve
38 hours
Year
1965

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