Seiko Cal. 5688 - 784

The Seiko 5688-784 represents an important milestone in Seiko's 1967 lineup. It features a Navy dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-026eb9baca11]

Also known as: Monster, Helmet

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

130m

Dial Color

Navy

Jewels

36j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1967

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