Seiko Cal. 5693 - 681

The Seiko 5693-681 represents an important milestone in Seiko's 1970 lineup. It features a Navy dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-3511492939a2]

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

46mm

Case Thickness

15.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

Navy

Jewels

23j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1970

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