Seiko Cal. 5685 - 512

The Seiko 5685-512 represents an important milestone in Seiko's 1972 lineup. It features a Black dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-3c128d9a47db]

Also known as: Helmet, Flighty

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

36mm

Case Thickness

9.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Black

Jewels

18j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1972

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