Seiko Cal. 3811 - 990

This Quartz model from 1969 features a 37mm PVD Black case. Powered by the 3811 caliber with 28j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-0f7871e7365b]

Also known as: Goldfeather

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

37mm

Case Thickness

14.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Green

Jewels

28j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1969

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