Seiko Cal. 5684 - 559

This Spring Drive model from 1987 features a 36mm PVD Black case. It features a Navy dial protected by a Acrylic crystal and offers 130m of water resistance. [seikata-wm-3d2c25d7b89c]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

12.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Navy

Jewels

20j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1987

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