Seiko Cal. 3818 - 461

The Seiko 3818-461 represents an important milestone in Seiko's 1968 lineup. It features a Burgundy dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-4009ab37b752]

Also known as: Samurai, Helmet

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

11.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

30m

Dial Color

Burgundy

Jewels

27j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1968

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