Seiko Cal. 3840 - 498

The Seiko 3840-498 represents an important milestone in Seiko's 1986 lineup. It features a Black dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-7b91caa6ed82]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

12.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

90m

Dial Color

Black

Jewels

26j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1986

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