Seiko Cal. 3818 - 998

The 3818-998 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3818 caliber with 34j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-509d05eb8aea]

Also known as: Bullhead, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

14.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

100m

Dial Color

Silver

Jewels

34j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1982

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