Seiko Cal. 4431 - 458

This Spring Drive model from 1999 features a 45mm Titanium case. It features a Green dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-761e8adfd105]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

10.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

Green

Jewels

33j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1999

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