Seiko Cal. 3820 - 813

This Kinetic model from 1981 features a 42mm PVD Black case. Powered by the 3820 caliber with 17j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-7c16ef761b56]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

42mm

Case Thickness

11.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Green

Jewels

17j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1981

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