Seiko Cal. 4490 - 580

This Hand-Winding model from 1966 features a 40mm Two-Tone case. It features a Blue Sunburst dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-893abf483980]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

14.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1966

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