Seiko Cal. 5640 - 291

This Solar model from 1994 features a 35mm PVD Black case. With its 18mm lug width and 8.5mm profile, it sits comfortably on most wrists. [seikata-wm-18b04df2f5b8]

Also known as: UFO, Arnie

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

35mm

Case Thickness

8.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Silver

Jewels

24j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1994

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