Seiko Cal. 4476 - 397

This Spring Drive model from 1984 features a 40mm PVD Black case. Powered by the 4476 caliber with 20j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-b6c506d02e0e]

Also known as: Turtle

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

14.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Silver

Jewels

20j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1984

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