Seiko Cal. 5617 - 742

The Seiko 5617-742 represents an important milestone in Seiko's 1978 lineup. It features a Champagne dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-efdb42983f32]

Also known as: Turtle, Sportsmatic

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

12.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Champagne

Jewels

36j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1978

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