Seiko Cal. 3818 - 471

Released in 1985, the Cal. 3818 with design code 471 was part of Seiko's domestic market collection. It features a White dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-c89ddac16cd3]

Also known as: Helmet, UFO

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

8.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

White

Jewels

18j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1985

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