Seiko Cal. 3817 - 813

The 3817-813 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 9.3mm profile, it sits comfortably on most wrists. [seikata-wm-876e0a4a8a05]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

9.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Black

Jewels

28j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1988

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