Seiko Cal. 4587 - 685

This Hand-Winding model from 1971 features a 39mm PVD Black case. It features a Blue Sunburst dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-4013953914c5]

Also known as: World Timer, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

13.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1971

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