Seiko Cal. 5684 - 327

This Spring Drive model from 1981 features a 38mm Gold-Plated case. Powered by the 5684 caliber with 30j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-bdc7f7c5dece]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

14.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Navy

Jewels

30j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1981

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