Seiko Cal. 3818 - 983

The 3818-983 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3818 caliber with 20j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-6413e659304e]

Also known as: Silverwave, World Timer

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

9.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

Green

Jewels

20j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1980

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