Seiko Cal. 5687 - 643

This Solar model from 1998 features a 40mm PVD Black case. Powered by the 5687 caliber with 31j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-3962230d4362]

Also known as: Samurai

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

40mm

Case Thickness

8.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

White

Jewels

31j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1998

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