Seiko Cal. 5668 - 742

The Seiko 5668-742 represents an important milestone in Seiko's 1999 lineup. It features a Black dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-3b731497b10d]

Also known as: Tuna, Flighty

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

36mm

Case Thickness

9.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

120m

Dial Color

Black

Jewels

22j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1999

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