Seiko Cal. 3814 - 820

The 3814-820 is a sought-after Quartz piece from Seiko's golden era. Powered by the 3814 caliber with 18j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-8f4f4304c6a1]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

10.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

50m

Dial Color

White

Jewels

18j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1991

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