Seiko Cal. 5640 - 665

This Hand-Winding model from 1999 features a 40mm PVD Black case. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-18d24fa9ed93]

Also known as: Samurai

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1999

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