Seiko Cal. 3830 - 840

The Seiko 3830-840 represents an important milestone in Seiko's 1987 lineup. Powered by the 3830 caliber with 20j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-3149c298bcc2]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

14.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

190m

Dial Color

Burgundy

Jewels

20j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1987

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