Seiko Cal. 5668 - 757

The Seiko 5668-757 represents an important milestone in Seiko's 1978 lineup. The Coin-Edge bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-2726a7b2eee4]

Also known as: Sportsmatic

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

34mm

Case Thickness

8.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Black

Jewels

30j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1978

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