Seiko Cal. 3814 - 523

This Spring Drive model from 1967 features a 43mm Stainless Steel case. Powered by the 3814 caliber with 30j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-5a3889f95b59]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

14.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1967

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