Seiko Cal. 4439 - 413

This Automatic model from 1987 features a 41mm PVD Black case. Powered by the 4439 caliber with 22j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-0abd49c084af]

Also known as: Crown, Baby Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

41mm

Case Thickness

9.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Green

Jewels

22j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1987

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