Seiko Cal. 3816 - 915

The Seiko 3816-915 represents an important milestone in Seiko's 1969 lineup. The Bidirectional bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-5ddc8e5a600f]

Also known as: Arnie

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

9.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Black

Jewels

17j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1969

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