Seiko Cal. 5688 - 251

The Seiko 5688-251 represents an important milestone in Seiko's 1965 lineup. It features a White dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-1a8a1ae2b9d5]

Also known as: World Timer

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

42mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

70m

Dial Color

White

Jewels

23j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1965

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