Seiko Cal. 3820 - 315

This Automatic model from 1991 features a 35mm PVD Black case. Powered by the 3820 caliber with 33j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-22524e04612a]

Also known as: Samurai, Sumo

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

35mm

Case Thickness

9.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1991

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