Seiko Cal. 5664 - 409

This Spring Drive model from 1988 features a 46mm Titanium case. It features a Silver dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-4d702e47b53e]

Also known as: Tuna, Rally

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

110m

Dial Color

Silver

Jewels

34j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1988

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