Seiko Cal. 5688 - 975

The Seiko 5688-975 represents an important milestone in Seiko's 1969 lineup. It features a Cream dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-eb7e143f7f78]

Also known as: Bellmatic, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

11.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

170m

Dial Color

Cream

Jewels

31j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1969

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