Seiko Cal. 3823 - 731

This Quartz model from 1978 features a 39mm PVD Black case. Powered by the 3823 caliber with 35j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-8a305b5f8158]

Also known as: Sea Horse

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

39mm

Case Thickness

10.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

90m

Dial Color

Burgundy

Jewels

35j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1978

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