Seiko Cal. 3818 - 181

The Seiko 3818-181 represents an important milestone in Seiko's 1973 lineup. The Bidirectional bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-0f0df647a9cb]

Also known as: Pogue, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

15.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

30m

Dial Color

White

Jewels

29j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1973

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