Seiko Cal. 4576 - 313

This Hand-Winding model from 1990 features a 38mm PVD Black case. Powered by the 4576 caliber with 21j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-1934e3c96ec0]

Also known as: Turtle, Helmet

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

13.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Silver

Jewels

21j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1990

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