Seiko Cal. 3818 - 917

The Seiko 3818-917 represents an important milestone in Seiko's 1991 lineup. The Bidirectional bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-fcceafc659a0]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

9.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Burgundy

Jewels

18j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1991

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