Seiko Cal. 5688 - 495

The Seiko 5688-495 represents an important milestone in Seiko's 1967 lineup. It features a Blue Sunburst dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-6dc25e9f9ebe]

Also known as: Sumo, Sportsmatic

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

46mm

Case Thickness

10.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1967

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