Seiko Cal. 5688 - 278

This Automatic model from 1987 features a 40mm Titanium case. It features a Navy dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-c3a0521d48aa]

Also known as: UFO, Sportsmatic

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

40mm

Case Thickness

15.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Navy

Jewels

23j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1987

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