Seiko Cal. 3817 - 411

The 3817-411 is a sought-after Spring Drive piece from Seiko's golden era. The Bidirectional bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-ac22cddd465c]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

11.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

60m

Dial Color

White

Jewels

30j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1991

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