Seiko Cal. 3818 - 672

Seiko 3818-672

The 3818-672 is a sought-after Spring Drive piece from Seiko's golden era. It features a White dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-f10b56a66a67]

Also known as: Rally, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
14.2mm
Lug Width
20mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
160m
Dial Color
White
Jewels
32j
Frequency
28,800 bph
Power Reserve
40 hours
Year
1978

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