Seiko Cal. 5661 - 717

The Seiko 5661-717 represents an important milestone in Seiko's 1979 lineup. It features a Burgundy dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-175aedb7b26c]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

15.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Burgundy

Jewels

25j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1979

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