Seiko Cal. 5688 - 928

The Seiko 5688-928 represents an important milestone in Seiko's 1971 lineup. It features a Navy dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-98813bbf2639]

Also known as: Monster, Sea Horse

Specifications

Movement

Solar

Case Material

Titanium

Case Width

37mm

Case Thickness

8.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

Navy

Jewels

19j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1971

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