Seiko Cal. 5634 - 683

The Seiko 5634-683 represents an important milestone in Seiko's 1979 lineup. It features a White dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-99d6bc5c545a]

Also known as: Navigator

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

43mm

Case Thickness

11.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

White

Jewels

24j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1979

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