Seiko Cal. 5688 - 510

The Seiko 5688-510 represents an important milestone in Seiko's 1975 lineup. It features a Silver dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-97000e835acb]

Also known as: Emperor

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

46mm

Case Thickness

9.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Silver

Jewels

24j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1975

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