Seiko Cal. 4431 - 675

This Spring Drive model from 1999 features a 45mm PVD Black case. It features a Champagne dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-629b23516bc2]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

Champagne

Jewels

18j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1999

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