Seiko Cal. 3851 - 421

This Spring Drive model from 1999 features a 40mm Titanium case. It features a Silver dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-5dec98c88495]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

8.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Silver

Jewels

29j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1999

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