Seiko Cal. 5661 - 951

This Automatic model from 1992 features a 35mm Titanium case. It features a Black dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-4266ed67dff8]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

35mm

Case Thickness

10.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

Black

Jewels

17j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1992

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