Seiko Cal. 3818 - 992

The 3818-992 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3818 caliber with 25j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-a80ed51f49f7]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

14.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Silver

Jewels

25j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1993

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