Seiko Cal. 4490 - 679

This Hand-Winding model from 1967 features a 37mm PVD Black case. Powered by the 4490 caliber with 28j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-d758610e06bb]

Also known as: Turtle

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

14.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

Black

Jewels

28j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1967

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