Seiko Cal. 3823 - 990

The 3823-990 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3823 caliber with 25j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-76908a54035c]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

9.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

30m

Dial Color

Burgundy

Jewels

25j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1999

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