Seiko Cal. 4425 - 664

This Hand-Winding model from 1983 features a 40mm Titanium case. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-78b0cbb4e2db]

Also known as: Monster, Silverwave

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

12.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1983

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