Seiko Cal. 5688 - 588

The Seiko 5688-588 represents an important milestone in Seiko's 1970 lineup. Powered by the 5688 caliber with 28j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-ac52acb1205f]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

14.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Silver

Jewels

28j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1970

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