Seiko Cal. 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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