Seiko Cal. 3817 - 508

This Hand-Winding model from 1971 features a 38mm Stainless Steel case. Powered by the 3817 caliber with 20j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-083d8aa76c88]

Also known as: Silverwave

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

11.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

20j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1971

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